Ripe bananas have round skin, look outside, they are dark yellow, you can feel the softness of the fruit by squeezing lightly. While the banana is ripe due to the medicine, the outer yellow skin is very beautiful and eye-catching, but when squeezed, the banana feels awkward. 2. Rambutan Rambutan, when sprayed, will ripen early but quickly wither. Normally, the wilting process of rambutan takes place very quickly, only a few hours after being cut from the tree. The way to recognize sprayed rambutan is that the fruit has fresh branches and leaves, but the beard on the fruit is wilted and crumpled. Ripe rambutan trees will give fruit with healthy and fresh beard, so 2-3 days later, it still hasn’t wilted. 3. Mangosteen Ripe mangosteen has a very fresh stalk and ripens in patches, from the tip of the stem to the bottom of the fruit. For ripe mangosteen due to the medicine, it will have a black stem, when eaten, it will have a very sour taste. 4. Durian With durians that are forced to ripen by medicine or ripen naturally, users can identify by immediately looking at the stem and spines of the fruit when choosing to buy. If the peduncle is old withered, the spines are bruised, and the color is old, the fruit is cut when young and has been soaked or injected with drugs. And ripe durian trees have fresh stalks and spines, picking up the smell will feel the natural fragrance. 5. Dragon fruit Natural ripe dragon fruit has thin skin, dark red body while the spines on the fruit are beautiful. And ripe dragon fruit due to stimulant has a light red color, thorns on the fruit wither, thick skin, very light taste. 6. Mango Ripe mango trees will have fresh stalks, stretchy skin, and ripe pieces extending from the stem to the tail and from the abdomen to the back of the fruit. The more ripe fruits will have a deep yellow color and the flesh will be soft. Ripe mangoes due to the use of stimulants often ripen unevenly, with alternating green stripes, and easily bruised. 7. Papaya Ripe papaya trees are often long fruits, heavy in hand, evenly ripe, soft, with sticky plastic stalks. These fruits are sweet and fragrant, few seeds, thick and soft flesh that can be easily scooped with a spoon. With ripe papaya due to drugs, they will be golden yellow, smooth skin, when pressed, there is no settlement. When peeled, there is still a lot of plastic, when eating, the intestines are not soft, but the taste is very light. 8. Butter The ripe avocado will be bitter. Many people think that avocados are bitter due to scraping the green part close to the skin, but with delicious ripe avocados, even if you scrape all the flesh to the skin, it is still not bitter, even the outside flesh is very fatty and greasy. To tell if an avocado is young or old, look at its stem, if the stem is large, it means the avocado is young. Therefore, it is important that you choose ripe and fresh avocados. Do not touch the soft fruit, because it has spoiled, at least no longer has a delicious taste. Squeeze gently, if it feels a bit soft but still firm, not squeaky. Or you can click on the stem, find it a bit soft, then choose, even if the other part is not soft, because it will gradually ripen towards the tail (but should only be eaten when the fruit is fully ripe). A delicious ripe avocado has a glossy but still slightly rough skin, firm hand. 9. Jackfruit Jackfruit is one of the most drug-induced “ripe” fruits on the market today, so how to recognize it is also quite easy. If the jackfruit is not old, has sharp, dense and bright outer thorns, but the inside is ripe, it must have been “ripened” by medicine. In addition, the area near the stalk of the jackfruit fruit (the usual place to inject the ripe stimulant) will be mushy, while the tail of the fruit has just ripened. Natural ripe jackfruit will have characteristics such as enlarged spines, yellow-green, gray-gray and ripen evenly from the stem to the bottom of the fruit. ten. Labels Longan fruits that are sprayed with sulfur for long-term preservation often have a uniform, glossy, round skin without natural lumps. When eaten, longan pulp is crunchy, hard, and has no characteristic sweet taste and odor. black hot. 11. Coconut Coconuts are often “enchanted” to turn into “genuine” Siamese coconuts to increase profits for sellers. Chemical sugar, fragrance chemicals are injected through the germ hole on the top of the coconut, turning the sour young coconut water into sweet or white coconut, just soak the coconut in water and add a little Javen. 12. Cherry Australian cherries have a slightly darker red color, crunchy and sweet, while Chinese cherries are softer, lighter, and more brackish. When buying cherries, try to put them in a plastic bag and hold them for a while, then open them and smell them. If there are residual chemicals, there will be a slightly pungent smell. 13. Sapodilla To make sapodilla more eye-catching, sellers often soak the fruit through a solution that is said to be iron powder mixed with water. The dark yellow sapodillas have been soaked in iron powder, while the sapodillas still see green veins through the thin skin and are not soaked.

A month after the fire, the X-Press Pearl now lies dormant in a semi-submersible state off the coast of Sri Lanka, its hull resting on the sandy bottom of the shallow sea. The X-Press Pearl burned for 13 days off the coast of Sri Lanka. Photo: BBC. Although the fire on board has been extinguished, the problems stemming from the fire are just beginning. Many stacked chemical containers are still stuck on the ship. Many of these barrels have leaked and soaked into the water, raising concerns about marine life being poisoned by the chemicals. In addition, tons of microplastics have washed up on nearby local beaches. Hundreds of tons of engine fuel sealed in the sunken hull is also likely to leak into the sea. In addition to the environmental threats, the X-Press Pearl ship fire also had devastating consequences for local communities, according to the report. BBC . Indigenous fishermen lose their livelihood overnight and may suffer the consequences for years to come. “We are fishermen, we have to go to the sea every day. We can only make a living by going to sea, otherwise our whole family will starve,” said Denish Rodrigo, who lives on the Sri Lankan coast. with BBC . Billions of microplastics One of the most striking features in the photos documenting the X-Press Pearl fire disaster is the many small round plastic beads spilling from the ship. The number of pieces of plastic is so much that the naked eye can see them when they are next to each other. These microplastics are the main ingredient of most plastic products on the planet. Large amounts of microplastics from the X-Press Pearl ship could threaten the Sri Lankan ecosystem. Photo: BBC. “There were about 46 different chemicals on that ship (X-Press Pearl),” Hemantha Withanage, a Sri Lankan environmental activist, told the BBC. BBC . “But what we’ve been able to see most clearly so far are tons of microplastics.” Since the end of May, pieces of plastic from the X-Press Pearl have washed up on the beaches of Negombo city on the west coast of Sri Lanka. Locals also reported dead fish floating around because of ingesting microplastics. Normally, plastic takes between 500 and 1,000 years to completely decompose. The aforementioned microplastics may have been pushed by ocean currents to the coasts around Sri Lanka or even beyond. “Our whole family will starve to death” For fishermen in Negombo, their concern isn’t just about ingesting microplastics in their fish, but the possibility that they won’t be able to catch any fish. Local authorities have issued a fishing ban in the area affected by the fire. This means that many fishermen have lost their entire source of income and livelihood overnight. “Fish species grow on coral reefs in the area, and authorities say those areas have been destroyed by the effects of dangerous chemicals. Now there is no choice but to jump into the sea naturally. death,” said Mr. Tiuline Fernando, who has been a fisherman for the past 35 years BBC . Many fishing families in Negombo struggled to make ends meet because they lost their livelihood overnight. Photo: BBC. The Sri Lankan government is demanding compensation and insurance from the owners of the X-Press Pearl. However, locals do not expect that money to be used to support them. The local fishermen’s association said it needed help from the whole community. “It’s not just us (fishers) but many other related industries are also affected,” explained the president of the indigenous fishermen’s association Densil Fernando. “Suppliers of nets, engines, boats and oil are involved in fishing operations. Thousands of jobs related to the fishing industry are being affected,” said Mr. Fernando. Chemical pollution The most lasting impact from the fire is believed to be a problem of chemical contamination. Activist Withanage said some of the hazardous elements found on board the X-Press Pearl were nitric acid, sodium dioxide, copper and lead. When mixed with water, these elements enter the internal organs of local sea creatures. Small fish can die immediately from poisoning, but large fish are more likely to survive, the poison will gradually accumulate in their bodies over time. Toxic marine life washed ashore in Negombo, Sri Lanka. Photo: BBC. Mr Withange said fish, turtles and dolphins had died and washed up on beaches. Many of them have turned green, indicating that the body is contaminated with metals and chemicals. “In a couple of years, if you catch a tuna, there’s a good chance it’s still poisoned,” Mr Withange said. “This chemical buildup is a serious problem.” “People should be informed about this,” he added. “The X-Press Pearl is now a toxic ship. Anything from this ship that washes ashore is very poisonous. People shouldn’t even touch them.”

Eyes and lips are particularly sensitive and vulnerable areas when exposed to PFAS chemicals. Photo: CNN Susan Collins said: “The American people have a right to know that the products they are applying to their hair or skin are safe? PFAS substances are a class of man-made chemicals, including PFOA, PFOS and GenX that have can accumulate in the body over time and have been linked to cancers, such as thyroid, liver damage, reduced fertility, and hormone disruption. Accordingly, out of 231 beauty products sold in the US and Canada, the highest PFAS index was found in foundation (63%), waterproof mascara (82%) and lipstick. anti-drift lips (62%). The study was published yesterday (June 15) in the journal Environmental Science & Technology Letters. In addition, the study said, about 88% of the products sampled for testing did not declare any ingredients on the label, despite this being a mandatory requirement of the US Food and Drug Administration (FDA). FDA). David Andrews, senior scientist with Environmental Action for Consumers, said: “I was a bit shocked and hopefully this will be a wake-up call to the cosmetic industry about the extent of PFAS abuse. spreading across all kinds of makeup products.” The bill was introduced to the Senate Tuesday by Republican Senator Susan Collins of Maine, Democratic Senator Richard Blumenthal of Connecticut and Representative Debbie Dingell, Democrat of Michigan. In a letter to CNN Health, Ms Dingell said: “These chemicals are in the products we use every day and most people don’t even know the dangers they face. daily”. If approved into law, Congress will require the FDA to issue a regulation banning the intentional addition of PFAS in cosmetics for 270 days, before the final regulation is enacted within 90 days. More than three-quarters of waterproof mascaras, nearly two-thirds of liquid foundation and lipsticks, and more than half, says study author Graham Peaslee, professor of physics, chemistry and biochemistry at the University of Notre Dame. eye and lip makeup products with a high concentration of fluorine. In addition, of the 29 products above contained at least four PFAS chemicals of concern. However, the most disturbing finding, according to Professor Peaslee, was that 28 of the 29 products containing the apparently toxic PFAS chemicals found did not declare the chemical ingredients on the label. “Although I often advise my patients to avoid products that are harmful,” says Dr. Whitney Bowe, clinical associate professor of dermatology at the Icahn School (Mount Sinai Medical Center) who was not involved in the study. contain perfluor or polyfluor, but this new study worries me because many products are contaminated with toxic compounds containing PFAS – commonly used near and around the eyes and lips, even if they are not listed on the label. “That is a real danger because PFAS chemicals can easily be absorbed through the delicate cells, right near the capillaries. In addition, women often lick their lips and they accidentally ingest the ingredients in this lipstick…”, Ms. Bowe warned. Now the Care Products Council, a 600-member trade association representing more than 90% of the beauty industry in the US, says “we are awaiting internal scientific review” before commenting. official commentary. CNN also reached out to the Canadian Cosmetics Coalition but received no response. What is PFAS? PFAS chemicals are made up of a linked chain of carbon and fluorine atoms, which do not break down in the environment. It is used in a wide variety of products such as non-stick cookware, infection-resistant surgical gowns and drapes, mobile phones, semiconductors, commercial aircraft and low-emission vehicles. Synthetic chemicals used in health-related items have doubled in the past 5 years in the US. Photo: CNN PFAS chemicals are also used to make carpets, clothing, furniture and food packaging resistant to stains, water and grease. Foods that are high in fat – like burgers, fries – are prime candidates for wrapping paper made with PFAS. While two of the most common PFASs – 8-carbon chain perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) – were now phased out of consumer products in the US in the early 2000s, now the consumer industry is created many new versions, with more than 4,700 types of PFAS as of 2018. Newer PFAS chemicals are manufactured with four or six carbon chains, experts say, but they appear to have more hazardous health effects than older versions, leaving consumers and the environment at risk, experts say. still at risk. Microbiologist Linda Birnbaum, former director of the Institute of Environmental Health Sciences and the National Toxicology Program, told CNN: “Manufacturers look to shorter-chain carbons. They weren’t really required to be fully tested for safety before anything was put on the market.” According to a 2015 report by the US Centers for Disease Control and Prevention, PFAS chemicals are considered “permanent” chemicals because they do not break down in the environment, and concentrations of PFAS are so widespread that they have been detected. present in the blood of 97% of Americans.

The disinfection robot combines two methods of UVC and chemical disinfection to help kill bacteria and reduce the spread of disease. The robot also has the ability to move flexibly, remotely or pre-programmed for a certain sterilization route. Le Anh Son, Deputy Director of Phenikaa Institute of Research and Technology (Phenikaa University), said that the robot is also capable of taking on tasks to support epidemic prevention and control in Bac Giang such as: Transporting necessities , monitoring sick and isolated people through monitoring cameras. Phenikaa University’s disinfection robot. The robot is fully self-propelled, avoiding collisions by using LiDAR technology, integrating artificial intelligence to recognize and remind people to wear masks, measure body temperature and a host of other superior features. . On the evening of June 2, the robot was put into operation for the first time. Before that, in the middle of May 2021 when the epidemic was complicated, students of Phenikaa University launched the campaign “Online learning – Show talent against the epidemic”. The students spent time and effort to create a droplet shield for medical staff, medical staff at hospitals, treatment facilities, and concentrated isolation. Up to this point, 10,000 droplet shields have been sent to more than 30 localities, of which more than half have been transferred to the epidemic center Bac Ninh, Bac Giang. High-tech products “make in Vietnam” such as: COVID-19 epidemiological information maps, disinfection robots, self-propelled robots, smart school solutions … or simply splash shields, orezol water These are all feelings of love and sharing from the collective staff, lecturers, scientists and students of Phenikaa University sent to the epidemic center.

Doctors at the No. 2 field hospital study how to operate the Phenikaa-X disinfection robot. Photo: C.Le Dr. Le Anh Son, Deputy Director of Phenikaa Institute of Research and Technology, said that the disinfection robot can take on the task of supporting epidemic prevention and control in Bac Giang with the main tasks such as: Transporting necessities, monitor patients and quarantined people through monitoring cameras. The robot is fully autonomous and avoids collisions by using LiDAR technology, with built-in artificial intelligence to recognize and remind people to wear masks, measure body temperature and a host of other features. Doctors at the No. 2 field hospital study how to operate the Phenikaa-X disinfection robot. Photo: C.Le Disinfection robot is one of the high-tech products and is directly applied in the prevention and control of Covid-19 epidemic by scientists from Phenikaa Institute of Research and Technology, Phenikaa-X Joint Stock Company, Phenikaa University research and develop to apply in real life. Doctors of field hospital No. 2 said that the presence of the Phenikaa-X disinfection robot helps the hospital a lot because it has an extra protective shield. This robot is run continuously in the corridor to help disinfect the air. Doctors at the No. 2 field hospital study how to operate the Phenikaa-X disinfection robot – Photo: C.Le Previously, students of Phenikaa University also made droplet shields for medical staff, medical staff at hospitals, treatment facilities, and concentrated isolation. Up to this point, 10,000 droplet shields have been sent to more than 30 localities, of which more than half have been transferred to the epidemic center Bac Ninh, Bac Giang. In addition, Phenikaa University also donated 10,000 bottles of Orezol water to the frontline medical staff in the fight against the epidemic.

Students studying for exams at Phan Chau Trinh High School (Da Nang). The key knowledge in the high school graduation exam is in the 12th grade Chemistry program, the number of questions related to the 11th grade program is very small and mainly combined with the general knowledge question. Reinforce basic theory Ms. Huong said: Chemistry is an experimental science with a large amount of knowledge, ranging from theory at the level of awareness and understanding to exercises at a high level of application and application. According to Ms. Huong, from qualitative to quantitative exercises, experimental questions to questions related to economic, social, and environmental issues… most students focus on conquering Quantitative exercises with the desire to achieve high scores in the exam but forget that quantitative exercises only account for 25% of the exam structure (about 10 questions/40 questions of the Chemistry exam). Click on the image to view the content. “Students should have a more realistic view of the exam questions, thereby increasing the amount of time to review and consolidate basic theory into a fixed source of capital for themselves before each exam,” Ms. Huong said. In addition, Ms. Huong illustrates the learning method for the knowledge content on metal corrosion, metal preparation in the metal outline section. Systematic knowledge to grasp includes: Corrosion of metals and metal processing. Specifically, metal corrosion is the destruction of metal or alloy due to the action of substances in the surrounding environment (M > Mn + + ne). In particular, metal corrosion has two forms: chemical corrosion and electrochemical corrosion. Chemical Corrosion: Corrosion reaction does not generate electric current. And electrochemical corrosion: Corrosion reaction simultaneously generates electric current. Electrochemical corrosion occurs when in a material there are different electrodes, in contact with each other and placed in an electrolyte environment. Rust (corrosion of cast iron and steel objects in moist air, acid …): Fe-Anode (-): Fe > Fe2+ + 2e (Oxidation) C-Catot (+): O2 + 2H 2O + 4e > 4OH– (Reduction) Or: O2 + 4H+ + 4e > 2H2O Rust generation reaction: 2Fe + 3/2O2 + nH2O > Fe2O3.nH2O The similarity between chemical corrosion and electrochemical corrosion is the oxidation – reduction process. But chemical corrosion does not generate electric current, metal corrodes slowly; while electrochemical corrosion generates electric current, metal is corroded quickly. For metal protection against corrosion, there will be two methods of surface protection: Isolate metal from the environment by coating the metal surface with environmentally sustainable substances such as grease, paint, and plating. metal, enameled; also electrochemical protection that binds a metal to another more active metal. For example, attaching zinc to the steel hull (submersible part) will corrode the zinc and protect the hull. Preparation of metals, the principle of reducing metal ions to metal atoms (Mn + + ne > M). With methods of electro-treatment, heat-treatment and hydro-treatment. Formula for expressing Faraday’s law: (according to the number of moles of electrons exchanged). m: Mass of substance collected at the electrode (g) A: Molar mass of the substance obtained at the electrode (g/mol) n: Number of electrons exchanged I: Amperage (A) F: Faraday’s constant (F = 96500) Students need to draw connections, simple ways of remembering when doing related types of work. For example how to solve the question package about metal modulation methods like: Which of the following metals can be prepared by hydrometallurgy? A. Ca. B. Na. C. Mg. D. Cu. Which of the following metals can be prepared by solution electrolysis? A. Ag. B. Na. C. Ba. D. Al. You can use diagrams for this type of question like this: K, Ba, Na, Mg, Al – Zn, Fe, Ni, Sn, Pb, Cu, Hg, Ag, Pt, Au Molten electrolysis Solution electrolysis, heat treatment, hydrometallurgy. The way to do the test effectively is to calmly read the exam questions. Hundred or used manually Ms. Huong said: When reviewing, students need to remember the principle “Hundred or not with familiar hands”, repeating information as much as possible, the deeper the memory, the easier it is to recall. So do as many exercises as possible. When doing the test, there must be a relationship of knowledge, good points, and skills that need to be applied to each type of post; exchange materials with friends and teachers. Click on the image to view the content. “For lessons on mainstream theory, students need to master the definition and concept, understand the essence of that definition and concept, and know how to apply it to solve related questions. For the lesson on quality, candidates need to firmly grasp the name, properties, relationship between structure and properties, and practical application”, Ms. Huong said. According to Ms. Huong, in order to solve chemistry exercises, students first need to master the theory, then practice more skills in applying theory to specific exercises, problem analysis skills, and using tricks. calculate… According to Ms. Huong, the effective way to do the test is to calmly read the exam questions. With the form of theoretical questions, quickly read through the sentences to see the answers immediately, the questions are left to do later. With the question type of counting the number of true/false statements, in each statement should note the points in the topic. wrong, exception, it will be more convenient for you to check your work again. With the form of quantitative exercises, which sentences are familiar, have been met and done first. Which sentences are difficult and novel to do later and when done, you should combine looking at the answer because some sentences can be easier to navigate from the answer.

For months, rats have ravaged fields and damaged homes in eastern Australia, from the Victorian border in the south to Queensland in the north, causing millions of dollars in damage to crops and machinery. A pair of mice can give birth to 500 more pups per season, the females give birth to a new litter every three weeks, and they constantly need more food. Rat “nightmare” for farmers in New South Wales, Australia. Photo: Pelgar International. The New South Wales government is considering a more drastic solution. On May 20, officials announced they had acquired 5,000 liters of one of the world’s most powerful rat poisons to treat rats. However, some residents fear the use of poisons could damage food crops and kill local wildlife. End of drought, Australia meets rats again “We’ve had long, bad years of drought, and then 2020 is going to be beautiful. But there’s always something great happening, and this year it’s a rat pandemic,” said farmer Michael Payten of the small town of Canowindra, west of Sydney, sigh. The rainfall in 2020 is roughly equal to the total rainfall two years earlier, making the soil fertile and yielding a bountiful harvest, but also creating ideal conditions for the rats. “Trying to count the number of rats that are harming Eastern Australia is like counting the stars in the sky,” said CSIRO researcher Steve Henry, considered by the New South Wales government to be Australia’s best expert on the disease. in mice, said. Rat extermination expert Sue Hodge clears dead rats from traps in her client’s home every day in the New South Wales town of Canowindra. Photo: CNN. According to Sue Hodge, a rat extermination expert in Canowindra, when winter approaches, rats even take refuge in people’s homes. Ms. Hodge spends her days dealing with dead rats trapped in a client’s home. She removed rat droppings from the kitchen, the children’s room and even their beds. In her home, Mrs. Hodge used steel wool to prevent rats from crawling in from every nook and cranny. She sets a mousetrap every night. According to the New South Wales Agricultural industry group, the loss of cereal groups such as wheat, barley and rapeseed, as well as forage, is having a major impact on the finances of farm businesses. The survey found that a third of businesses had an estimated loss of $50,000-150,000 ($38,000-116,000). The group warned that the total damage could reach hundreds of millions of dollars if urgent action is not taken. Government measures – immediate but too dangerous The New South Wales government is resorting to “heavy weapons” to end the rat disaster, after weeks of consultations with Mr Henry, CSIRO and farmers. Last week, New South Wales agriculture chief Adam Marshall unveiled “a scary set of tools for rat control”, including free rat poison for farmers. This week, thousands of liters of bromadiolone – a “second generation anticoagulant” has been introduced to effectively kill rats. However, Charles Sturt University ecologist Dr Maggie Watson says the toxin is “too dangerous” to use in the environment, as it can leach into the soil and bioaccumulate in insects. then join the food chain. She said native birds in Australia are all at risk of death after eating a poisoned mouse, and it takes up to 15-20 years for them to come back to life. NSW farmer Michael Payten calls his tractor shed a “rat hotel”. Photo: CNN. Proponents of the administration argue that bromadiolone is highly toxic and will likely kill some native predators, but there aren’t enough hawks and owls for the rat population to drop naturally. While the rat population is unusually high, farmers warn that they are running out of time to harvest the winter crop.

According to the advice of nutritionists, it is possible to identify chemically contaminated vegetables based on some of the following characteristics: Color of vegetables: Clean vegetables are usually lighter in color than those using chemicals. The latter types are not clean due to the absorption of many chemicals, so they have a more eye-catching appearance. Cruciferous vegetables, water spinach, spinach, cabbage … when viewed from the outside, the outer sheath will be darker, stronger and less glossy. Based on branches, sheaths and leaves of vegetable plants: The number of branches, sheaths and leaves of clean vegetables is less, and the leaves are larger than those of unclean vegetables. The phenomenon of pests and diseases on vegetables: Vegetables with many traces of leafworms will be cleaner because they do not use pesticides before harvest. Chemically sprayed vegetables have large, smooth green leaves and absolutely no hole in the leaves caused by caterpillars. Taste when cooking: The taste of clean vegetables is stronger. As for the vegetables that are not clean, eating will be very pale, not feeling the taste. In some cases, there are residual pesticides in vegetables, which when processed will give a strong odor, difficult to smell. Vegetable storage time: Clean vegetables that can be stored at room temperature or refrigerated for about 4-5 days can still be used. As for vegetables that are not clean within the above time period, they will be withered, crushed, crushed (depending on the type of vegetable) and cannot be used anymore. When choosing to buy vegetables, it should be noted that you should not buy off-season vegetables because off-season vegetables often do not grow well, are susceptible to pests and growers may use pesticides, pesticides, and stimulants. for vegetables to ripen quickly and beautifully. Also, do not buy vegetables that have been peeled, sliced ​​and soaked in water at the market because they are most likely to be spoiled or old. Do not choose vegetables that are too unusual in taste, color and do not trust the appearance of vegetables and fruits. Should choose to buy vegetables of clear origin. Clean vegetables are usually lighter in color than vegetables using chemicals. Identify some clean vegetables Water spinach: When using too much protein or foliar fertilizer, water spinach often has the following characteristics: the body is larger than usual, crispy, the leaves are dark green, the boiled water turns pale green when hot, and turns dark green when cool. Should choose to buy bunches with small tops, look a bit hard but eat crispy, delicious and safe. In addition, water spinach without chemicals will have plastic flowing out when the stem is cut. Bean sprouts: The sprouts are round, white, with few roots, when stir-fried, produce cloudy water, which is a type of sprouts that have been chemically used during the incubation process to stimulate the rapid growth of bean sprouts. When buying, should choose the type of price with many roots, white cotyledons, not eye-catching. This is a natural brew, safe to use. Zucchini: Safe squash usually has a burning distance not too far, dark green leaves, lots of hair. In contrast, soft, thin, pale green leafy vegetables with long internodes should not be purchased. Cucumber: Should choose green-white fruit, not too young or yellow stalk, hold firmly in hand, the outside of the peel has sharp points emerging. Melons that are sprayed with pesticides and growth drugs before harvest often have long, smooth, smooth fruits with light green skin, many fruits even have white streaks due to residual spray. It is best to salt and peel them before eating. Clean spinach has dark green leaves, thin but not hard. Do not choose vegetables with leaves that are too young, soft, thick and uneven. Some ways to handle chemically contaminated fruit Soak vegetables in diluted salt water: After washing vegetables, you should soak vegetables in diluted salt water for about 10-15 minutes, then rinse with clean water. Or you can soak vegetables in water to wash rice for about 10 minutes and then rinse with water. The purpose of this is to neutralize the toxins in the pesticide left on the vegetables. Heat vegetables at high temperature: Some heat-resistant vegetables such as cauliflower, beans, and celery, after being washed with hot water for 2 minutes, will reduce the residue of insecticide by 30%. Then stir-fry, cook at high temperature to remove 90% of pesticide residues. Using vinegar to soak vegetables: It is one of the most effective ways to remove bacteria and pesticides left on fruits and vegetables because it has strong antibacterial properties. Dilute white vinegar with water, soak vegetables for about 10 minutes, then rinse with boiled water to cool.

Recently, the Economic Police Team, Ba Dinh District Police (Hanoi) suddenly checked the Minh Phat seafood store, located behind Long Bien market, and discovered that the facility used hydrogen peroxide to bleach the ink. selling to the market. At the scene, authorities seized a plastic bottle containing about 30ml of hydrogen peroxide solution and 30kg of bleached apricot squid. The staff of this establishment admitted to repeatedly using hydrogen peroxide to clean the stench and bleach the ink, even though it was clear that this was an additive not allowed to be used in food. At the scene, authorities seized a plastic bottle containing about 30ml of hydrogen peroxide solution and 30kg of bleached apricot squid. It is known that according to the video recorded over many months by the group of reporters, the employees of this facility began impregnating ink in chemicals. The first step is to put a dozen packs of salt into the water tank. Next, put the cuttlefish that has removed all its organs into the barrel. The employee then took a plastic bottle containing a clear solution and poured it directly into the ink tank. According to the introduction of these facility staff, this is industrial hydrogen peroxide, which is very corrosive and bleaching. When working, this young man had to wear rubber gloves that reached to his wrists before putting his hands in the bucket to mix the solution to soak up the squids. Bleaching ink with industrial chemicals, specifically hydrogen peroxide, helps white ink cleaner, harder, remove all viscous substances. With this trick, every day a ton of dirty squid is transported to many restaurants, eateries, and markets in Hanoi. Eating squid bleached with hydrogen peroxide increases the risk of chemical accumulation in the body, which can lead to chronic diseases such as cancer According to Assoc. Prof. Dr. Nguyen Duy Thinh (Institute of Food and Biotechnology, Hanoi University of Science and Technology), the current situation of using cleaning chemicals in industry such as using hydrogen peroxide to bleach ink, helps Fresh squid is delicious, no longer stinks, increasing the risk of chemical accumulation in the body of the eater. Currently, the use of cleaning chemicals in industry such as using hydrogen peroxide to bleach the ink, help the ink stay fresh and no longer stink, increasing the risk of chemical accumulation in the body of the eater. The chemical used to bleach the ink, help the ink stay fresh, remove the dirt, and remove the stench in the dead squid for many days is a solution of hydrogen peroxide, the formula H2O2, also known as hydrogen peroxide. The Ministry of Health once issued a recommendation that the solution should only be used externally, not taken orally. Experts say that when using hydrogen peroxide to bleach food, it will generally have an antiseptic effect, whiten food, and remove odors. However, only pure hydrogen peroxide for medical use can be guaranteed. In fact, food processing facilities often use much cheaper industrial hydrogen peroxide, often containing many impurities and toxins that are harmful to consumers’ health. Therefore, the risk of ingesting ink bleached with hydrogen peroxide at such establishments is really dangerous. This is a form of commercial fraud, threatening the health of consumers. It is worth mentioning that these dirty food effects often appear in the form of chronic diseases, toxins that accumulate for a long time into dangerous diseases, not easily detected in a day or two. How not to buy ink bleached by industrial chemicals? According to experts, when buying ink, you should pay attention to the following selection criteria: – Color: Fresh ink will have a shiny color. The brown part will be dark brown, while the squid body will be milky white. The color of the ink eyes is clear, not protruding, the pupils can be clearly seen and there is no yellowing or discharge. If the ink is not fresh, the eye part has turned more opaque, sometimes there is a discharge. – When touching the squid body: The squid meat is firm and highly elastic. When pressing your hand on the ink body, the ink will quickly return to its original state and leave no dents. – When observing: Fresh squid, the head and tentacles, squid whiskers will stick together, definitely. If the squid is not fresh, the upper parts are usually soft and easy to separate.

Aloe vera (Aloe) The gel in the aloe leaves is a great remedy for acne scars. You just cut a leaf, take the gel and apply it to the scar. Wash off after 30 minutes. Apple cider vinegar Apple cider vinegar can remove old layers of skin cells and thus may help fade acne scars or dark spots. You just need to take some apple cider vinegar, dilute it with a little water and apply it to the bruises. Wash off after 30 minutes. Lemon juice Lemons help synthesize collagen in the body. Squeeze a little lemon juice and apply it directly to the affected area. Wash off after 30 minutes Neem tree leaves (also known as Indian oval) Neem is a popular medicine and has been present in many home remedies since ancient times. All parts of the neem tree, from leaves, flowers, seeds, fruits, roots to the bark, are used for healing. Today, neem is used as a popular ingredient in oral care, skin care or hair care. The United Nations has recognized neem as the “tree of the 21st century”. The leaves of the neem tree contain many nutrients and active principles of action for prevention and treatment. They contain more than 100 active compounds. Neem leaves are believed to have anti-fungal, anti-bacterial, anti-malarial, anti-viral, anti-inflammatory, hypoglycemic and insecticidal effects. In addition, eating fresh neem leaves daily can provide your body with essential nutrients such as protein, fat, carbohydrates, iron, calcium and fiber. Sandalwood Sandalwood has incredible soothing and cooling properties. Soak a piece of sandalwood in water for several hours. Apply this water to blemishes. You can also apply sandalwood plaster to treat acne scars.

Beekeeping for honey is developing well in Minh Hoa “March – the season when bees go to get honey”, for a long time, beekeepers in Minh Hoa have grasped that rule, so when March comes back, in the forests, in each garden, hundreds of species of flowers bloom. They are busy again in the beekeeping season to collect sweet honey. Mr. Dinh Long, Chairman of Minh Hoa District Beekeepers Association, said that the bees are kept, but actually the honey obtained is very natural. Because Minh Hoa is a mountainous district, most of the area is forest, so the climate is very fresh, the natural forest flower is abundant, so the honey raised here is very delicious, the quality is not inferior to honey. Forest. With more than 30 years of experience in beekeeping, Mr. Dinh Xuan Guest (Minh Xuan village, Xuan Hoa commune) said that April and May (March and April of the lunar calendar) is the time when bees give honey the most. “The honey extracted from the forest is completely natural, however, because the products from the forest are exploited by local people, in many cases, people exploiting the hives are not at a certain degree of maturity or old maturity. The portion in honey is usually very high (over 30%), honey usually has a sour taste and does not last long. The family’s secret prayers are heavy, promising a bountiful season. That is not to mention, buyers often encounter fake honey, honey mixed with the label of wild honey from fraudsters. Meanwhile, bees raised in Minh Hoa are selected from “domestic bees”, using abundant natural forest flowers, farmers know the maturity of honey to harvest, so the quality of honey is always guaranteed; In particular, the rate of water content is always below 20%, preserved for a long time and is not damaged ”, Mr. Long shared. However, according to Mr. Long, in order to harvest quality-assured honey, beekeepers must also research to understand and take care of their bees. Bees have very high herd characteristics and are sensitive to external influences such as weather, light and temperature. If farmers want to be successful, they must “understand” the bees; take appropriate measures to combat cold and heat; Regularly clean the bin to ensure it is dry and clean. In this way, the bees are healthy and have high honey yields. The bees are diligent, leaving the hive to find honey. Mr. Dinh Xuan Guest (Minh Xuan village, Xuan Hoa commune), who has more than 30 years working with beekeeping, said: “Autumn honey usually lasts from March to August every year, but April and May (March and April of lunar calendar) is still the time when bees give the highest quality honey. My family has 150 colonies of bees, averaging about 2 tons of honey per year, earning more than 200 million VND ”. This year, the weather is favorable, the flowers bloom a lot, so bees secrete honey evenly. At this time, beekeepers in Minh Hoa started to harvest the first batch of honey in the year. Currently honey is sold at the price of 120 thousand VND / 700ml bottle. This is a very reasonable price for both the seller and the buyer, so the honey products collected in Minh Hoa are sold out. Honey to raise Minh Hoa is sold at the Full Moon Festival in March Minh Hoa. Beekeeping is not difficult, the profit is high, so over the years, beekeeping has continuously developed in Minh Hoa. According to statistics of the People’s Committee of Minh Hoa district, at present, the whole district has developed over 3,000 colonies. The localities, such as Xuan Hoa, Trung Hoa, Minh Hoa, Hoa Hop, Hoa Phuc … have a thriving beekeeping movement, with an average income of 50-120 million VND / year per model. Mr. Dinh Minh Huong, Vice Chairman of Minh Hoa District People’s Committee, said the district is oriented to develop beekeeping into a high quality product, associated with the development of tourism of the district. Over the past years, from capital sources to support production of 135 programs, the NTP for sustainable poverty reduction, the district has supported people in many projects to raise domestic bees for honey. In particular, in the two border communes of Dan Hoa and Trong Hoa, with the support of the district, for the first time, Khua and You here have started to approach beekeeping and obtained encouraging results. an important part of rapid and sustainable poverty reduction. The weather is very favorable, the scent of wild flowers, house flowers are in “ripeness”, the bees are diligently searching for sweet honey. Beekeepers too, they are also diligently taking care of the bees, expecting a rich season of honey …

With the support of Mastercard’s fast and secure global network, including the Mastercard Processing platform that allows instant card issuance, the digital priority program offers customers the convenience of registration. online, quick access to start buying, and flexibility and peace of mind when shopping. The program also allows consumers to choose to make payments via digital cards or deduct money directly from their bank accounts using smartphones, smart watches or other digital devices. The program also offers new ways to accept payments, such as scanning Mastercard’s QR code on the card. Accordingly, the consumer’s payment card is placed with a QR code, allowing the sender to scan and transfer money securely and conveniently to the selected account. As consumers are rapidly transitioning to the long-term ‘digital default’ mindset, Mastercard research shows that 30% of people in Australia, 49% in India, 55% in China and 34 % in Japan plan to shop more online. The majority of people – 71% in Australia, 77% in India, 73% in China and 62% in Japan – believe that the switch to contactless payments will become commonplace. With the increasing demand for digital experiences, Mastercard is helping customers innovate faster through a network of partners that help customers step by step in their digital journey – from shopping, use to management. financial management. Mr. Sandeep Malhotra, Executive Vice President of Mastercard, in charge of product and innovation, Asia Pacific, said: For many years, Mastercard has led the trend of comprehensive digital commerce development by ways to provide a seamless and secure payment experience that makes it convenient for billions of people around the world to shop and manage their finances, anytime, anywhere. Along with the strengths of Mastercard’s partners, the digital prioritization program enables convenient, fast, transparent payments and maximizes customer choice, from digital cards in the wallet. electronics, QR codes on cards, to Pay by Account solutions that allow consumers to pay with a bank card through a financial service provider’s application. In addition, sellers benefit with access to a broader customer base and faster access to available financial resources. Mastercard’s promotion of the Asia-Pacific digital prioritization continues the program’s expansion in North America, in order to bring unique values ​​to cardholders and account holders. with market-leading banking and payment experiences in today’s rapidly growing digital economy.

There are year round in our country, but bananas are also one of the regular chemical soaked fruits. According to the experience of small businesses, if a banana is ripe, but its stalk is still green or plastic, it is more likely that a banana is ripe. Photo: Vietnamnet Ripe banana peel has eye-catching yellow color, smooth. Meanwhile, naturally ripe bananas have a dark yellow skin with small black or brown spots. Photo: Hai Phong security newspaper. Around April and May are avocado in season. Avocado is sold on sidewalks, supermarkets, local markets … The avocado shell is soft and long-haul, if the fruit is ripe, it will be crushed and crushed. Therefore, small traders can chemically soak the fresh avocado with chemicals. Photo: Internet To distinguish impregnated avocado, a gardener said, green avocado, the stalk is green, the avocado stalks will turn dark. If the stalk is still green and the avocado body is soft, the avocado has been chemically aged. Photo: Internet To choose safe and delicious durian, consumers need to pay close attention to the stalk and the prickly part. The hard, green stalks will just drop, and the old stalks that are stained or withered may have been soaked with medicine to promote ripe fruit. Photo: Internet Ripe durian spines will bloom green, yellow and gray. Meanwhile, pickled durian prickles early, soaked for a long time, they will not bloom, bruise in many places. Photo: Labor capital. Mangoes are also frequently contaminated with chemicals. Ripe mangoes due to stimulant drugs often ripen unevenly, the fruit has no fragrance, and has black stalks. Photo: Internet Delicious ripe mangoes have stalks still firm, not soft. If the stem of the mango has a strong sweet aroma, the aroma of essential oils means the mango is fresh, no chemicals. Photo: Internet To distinguish ripe jackfruit and ripe jackfruit, can be based on observing the jackfruit fruit. Ripe jackfruit plants rarely have pus, while ripe jackfruit is pressed with white pus flowing in each stream. Photo: Cooky. In addition, ripe jackfruit plants often have a characteristic aroma, ripe jackfruit must smell carefully to have a faint scent. Photo: Internet Video: HCMC: 1.3 tons of snails soaked in industrial chemicals before selling. Source: PLO

Scientists’ discoveries at the Smithsonian National Museum of Natural History (NMNH) and University of Florida (UF) have shown that marine biodiversity studies can enhance biomedical research. The naming of the compound Gatorbulin-1 (GB1) found in blue algae is a tribute to UF researchers and global partners who lit the torch for the discovery and traits of algae. lam. From self-defense to drugs Cyanobacteria are single-celled terrestrial and aquatic organisms around the world. They can use chemicals to defend themselves against predators. These chemicals also play a role in helping the cyanobacteria communicate. “ We studied a series of compounds called Quorum’s emotional inhibitors that affect the chemical signals that cyanobacteria have, ” said Dr. Valerie Paul, a chemical ecologist at Smithsonian Marine Station. used to communicate. The Quorum emotion is a name for the way bacteria communicate using chemical signals. The scientists examined the cyanobacteria’s communication and defense compounds to test for biomedical properties. Often they realize the compound’s medical potential before understanding why cyanobacteria take it. In a new study, GB1 was shown to have significant anticancer activity with the potential for a new drug formulation. But scientists are not quite sure how cyanobacteria use it. TS. Nature has optimized these compounds, which are created for a certain purpose, in the case of blue-green algae, said Paul, as self-defense. Chemical structure of Gatorbulin-1 (GB1) molecule. From the sea to the lab The blue-green algae targeted, Lyngbya confervoides, was discovered more than a decade before Dr. Paul started collecting this species. She quickly realized that the algae produced many different compounds, so she sent the samples to her collaborator Professor Hendrik Luesch for further study. But finding a new compound like GB1 that has the potential to make a new drug is a long process (not including the time it takes to add and test it to convert the compound into a safe, functional drug). The first stage of the procedure is to isolate and demonstrate that the purified compound can selectively kill cancer cells. Spurred by this discovery, Prof. Hendrik’s team was trying to find a way to synthesize the substance in the laboratory. A reliable way to produce GB1 is the first important thing to do in-depth research. “We like to stay in place to collect more cyanobacteria to isolate enough materials for advanced research,” Dr. Hendrik said. As organic chemists, we are able to replicate these natural molecules in larger quantities in the laboratory without having to depend on cyanobacteria. GB1 has been added to additional stages for the synthesis process. Scientists have discovered that GB1 targets a protein in cells called Tubulin – the same protein cells require during cell division and uses it to build ” internal scaffolding ”. While there are many chemotherapy drugs that target Tubulin, Prof. Hendrik and colleagues assert that GB1 is more special because it interacts with Tubulin in new ways. Now researchers are eager to see GB1 as effective in the real world as well as its potential to make anti-cancer drugs. The cyanobacteria that produced Gatorbulin-1 (GBI) was recognized as the algae Lyngbya confervoides. Healing ability of biochemistry Organic chemists often turn to nature to study drug formulation. For example, compounds in terrestrial life mechanisms such as plants and fungi led to the creation of important drugs such as penicillin that is now a staple of modern medicine. In the ocean, about three-quarters of the earth’s surface has yet to be touched by humans. “It’s really a chemical war in the ocean,” said Professor Hendrik. The more battles and communications like that will help us humans understand more about the active compounds that can apply to mankind. ” And Dr. Paul said: “From a chemical ecologist’s point of view, this biodiversity is equivalent to chemical diversity. We can find everything in the ocean we never dreamed of. ” Nguyen Thanh Hai ( (According to smithsonianmag) )

Choosing delicious watermelon is not too difficult if you know the following simple way. First, you take the watermelon about 5cm away from your ear and flap it.
If it detects a crackling noise, it is a delicious watermelon. A delicious watermelon fruit has smooth skin, clear patterns on the skin, sharp lines, and yellow color on the bottom. On the contrary, watermelon that has been injected with chemicals will be pressed to ripen quickly, so there is no soft velvet outer layer, the skin is dark, and the pattern is fuzzy because it is not ripe. Illustration. Illustration. Illustration. 2. How to choose papaya: 15,000 – 25,000 VND / kg Choosing to buy papaya is also quite simple. You should choose a fruit whose knob has turned yellow, which indicates that this is a naturally ripe papaya. In addition, papaya should be heavy, long enough, hold firmly, and have sticky plastic stalks. These characteristics determine the sweetness of the fruit, not only that it is also delicious, few seeds, thick pulp. The papaya fruit is irregular in color, the ripeness of the fruit is not even, often appears a layer of white fungus on top, sometimes a few black spots or small indentations on the surface are fruits. ripe papaya naturally. Note: You should not buy papaya that is shiny, hard to touch even though the outer shell has turned yellow. Papaya should be heavy, long enough, hold firmly, and have a sticky plastic stalk. Illustration. Do not buy papaya that is shiny, hard to touch. Illustration. 3. How to choose mango: 20 – 60,000 VND / kg When choosing a mango, you should choose fresh fruit that is not scratched. You can check this by pinching the stem of the mango and sniffing it with your nose. If the stalk has an aromatic resin, the oil secretes it is fresh fruit, do not use preservatives. Should choose a beautiful shell, not rough, bruised. Illustration. As for mangoes, you should not pay too much attention to the color when choosing because depending on the type of mango, the green and yellow are different. Color does not accurately represent the ripeness and quality of many mangoes. You should not pay too much attention to the color when choosing because depending on the type of mango, green and yellow are different. Color does not accurately represent the ripeness and quality of many mangoes. Illustration. It is best to choose fruit with a glossy, uniform color, the part right at the base of the stalk must sink down. A delicious ripe mango will have a firm stalk, not a soft one. Note that the belly of the mango near the end of the tail will have a small eye, the smaller the eye, the smaller the seed will be. The belly of the mango near the end of the tail will have a small eye, the smaller the eye, the smaller the seed will be. Illustration. 4. How to choose apples: 40 – 100,000 VND / kg When choosing to buy apples, you should choose fruits with bright colors, apple peel must be shiny, when touching your hands do not feel rough. If your family’s preference is to buy small, sweet apples, choose a dark-colored fruit with small white seeds on the shell. Avoid buying fruit that is dull, dark, crushed or pests. Avoid buying fruit that is dull, dark, crushed or pests. Don’t be tempted to buy large apples, you should choose a medium sized apple that is just a little bigger than a tennis ball. Do not choose too small or too large fruit. Because apples that are too large can be sprayed with growth stimulants, apples that are too small are often sour or pressed. Freshly harvested apples are those with new, fresh stalks attached to the fruit. Don’t choose apples that have their stalks dropped or have dried stems. A succulent, tasty apple will be round, firm, and heavy in hand. You use your hand to press on a hard, juicy apple, it is a delicious apple. Try using your thumb and point to flick the apple, the sound is loud and clear, it is crispy and sweet, so buy. Choose apples that have their stalks intact and stick to them. Don’t choose fruits with broken stems or with dead stalks. Naturally ripe apples are fragrant. On the contrary, an unripe apple is less fragrant, often sour and slightly acrid. If possible, choose to buy from a garden or farm that will guarantee apple quality. Tips: One little tip when checking if an apple is seasoned with preservatives is to try pouring hot water over the apple. If the apple peel appears a white film, it is likely that the seller has waxed it to preserve it. Cheap waxes often contain fungicides, preservatives that can affect health. Choosing to buy fruit on summer days seems simple, but there are many things to pay attention to to avoid “money loss and disability”. We hope the housewives are always skillful and wise in choosing food for their family. Choose to buy fruits that are carefully packaged and should only be purchased at reputable stores that guarantee the origin. According to the Vietnamese / Fatherland Life

1. Cabbage Cabbage is one of the vegetables with nutritional value, so many women choose for daily meals. But this vegetable has a lot of worms, only needing 1-2 days for worms to destroy the whole garden. So before buying, you should take it to feel the smell of cabbage. If there is a strange smell, absolutely should not buy. The type wrapped in a mesh bag, round, dark green should also be avoided because this is Chinese cabbage. 2. Tomatoes In October and November, the tomato season is in full bloom, but this is a fruit that is susceptible to poisoning because in order for tomatoes to be evenly ripe and beautiful, growers often use drugs to ripen the fruit. To avoid “eating a bowl of porridge, running three intervals”, you just choose to buy green tomatoes to bring back, wait for them to ripen and then use them to heal. 3. Cucumber Vegetables that only need one fruit, you can make a variation of 7749 delicious dishes. But cucumbers have long been thought to be such a chemical spraying fruit that “ranks second, no one dares to be No. 1”. The chemicals are easily absorbed through the melon peel, so even if you take the peel clean before eating, it is not certain that you have completely removed the harmful substances. 4. Bitter melon Bitter melon is very susceptible to pests, so growers often use chemicals to limit pests. When buying, it is best to look for fruits that are small, long, with many tiny tendons on the body. Do not be foolish, but choose large bitter melon fruit, dark green, cool. Because of “deadly sweet nectar”, these are the fruits that are abused by chemicals the most. 5. Water spinach Are you surprised? The familiar vegetables in most family dishes are so susceptible to pests and diseases that, vegetable growers often have to use pesticides and growth drugs to control them. When you buy water spinach, do not choose the green, plump, fat, and long bundles. Because this is a type of insecticide contaminated with many insecticides, the growth drug is unable to eat, eating it is like killing yourself.

Illustration. Such a delicious fruit has such health benefits, it is no wonder why women are infatuated with this dish. However, in order to choose a delicious fruit, it is also necessary to have a tip, otherwise it is easy for women to choose the wrong fruits, not delicious. How to choose plums to choose delicious fruit, not drug-coated? Here are some ways to choose delicious plums: Rely on the outer shell The appearance of the plum is largely determined by the flesh of the fruit. Choose to buy fresh plums, preferably stalks and leaves, round, not bruised, not deep. Also, do not buy plums with insect stings or nail stains because they are very susceptible to bacterial infestation. A delicious plum will have a plump, smooth skin and a white chalk coating. Plums are covered with white chalk, indicating that freshly picked plums will be more delicious. Choose plums with mixed green and red colors When choosing to buy plums, you should not choose to buy plums that are too green or reddish in color, but only choose berries that are mixed with these two colors, which are both crispy and sweet. If the fruit is too green, it will be sour, and the red fruit can be ripe too ripe and no longer crispy, if you like sweet, you can choose a red bruise. We can judge the quality of plums with a glass of water. Pick a plum and place the plum in a glass of water. If it is found that plums float on the surface of the water for a long time, it means that the plums are potentially poisonous or have ripening agents. If the plums do not float on the water, that means the plums can be eaten normally and without chemicals, you can buy them at ease. How to preserve plums After buying, you should store fresh plums in the refrigerator so that the plums are always fresh and delicious. Plums should not be placed in hot, high, humid places, which will make plums ripen quickly and not be delicious. Prunes before eating need to be washed with salt water several times, you can use them to cook into many different delicacies. Plum mixed with salt and chili salt or chili is a favorite dish of many women. In addition, this fruit is also used by many women to soak drinking water as well as make jam to eat bread.

When you want to go to the market choose delicious butter you should look at the stalk. When you see the green base of the stalk, the avocado is not yet ripe. When you see the base of the stalk is brown, the avocado is overcooked, and should not even be selected. When you see the yellowish-yellow stem of the stalk, the avocado has just ripe, and eaten very well, you should choose these avocados because it is waxy and fresh.

Observe the appearance of the butter

One of the keys to choosing good avocados is to observe the skin of the avocado before you buy. Because normally avocados have a green, glossy skin, which means that this avocado is not yet ripe, you should not choose this type of butter.

Choose delicious butter looking at the shell

When you see the color of the avocado turning purple brown, the rough skin means that the butter has started to ripen and is delicious without frizz.

The feeling when holding the avocado

One of the experiences of wise housewives when choosing avocados is to hold the avocado and gently light it around. When you hold the avocado, it feels heavy in your hand, firm, the feeling when the butter is soft, it is delicious ripe butter, so you should choose.

Besides, you should tell each other how to gently shake the avocado, if there is a sound of seeds inside, it will be a delicious but delicious avocado. Besides, when you gnhe see the sound when shaking butter does not confirm the quality of the good standard butter.

How to choose delicious butter looking at the stalk

If you shake the fruit and make a low sound, the avocado is probably old. On the contrary, when you shake the avocado, it sounds too hollow and squeaky, then this is definitely not a young avocado.

Use your hands to feel the shrimp, the first thing that can help housewives recognize it best is the softness of the shrimp. The impurities pumped shrimp body is usually fat, abnormally stretch, especially the joint between the head and body, so fat that the bones on the body are almost stretched.

The impurities pumped shrimp often have hard gills. Meanwhile, the ordinary shrimp without impurities has a soft and curved body.

Shrimp impurities pumped out their tail, protruding their head, and prickly spines

Illustration.

Only with the naked eye you can immediately recognize the chemically pumped shrimp with the superficial features. The impurities pumped shrimp often spread their tail, protruding head, and prickly spines, while the clean shrimp is often the opposite of the above characteristics.

When processing shrimp, there is often a lot of water flowing

Shrimp pumping impurities when cooking will melt a lot of water, shrimp meat shrinks. When the meat is eaten, the taste is paler than normal shrimp. If the shrimp is jelly pumped into you, when cooked, you peel off the shell of the shrimp, you will easily see the jelly layer between the meat and shrimp shell, especially at the top and bottom of the gills.

Before the situation of shrimp being pumped with impurities, or the residue of antibiotics is forbidden to exceed the threshold …, consumers need to be vigilant and very alert when choosing this type of seafood.

The secret to buying iron shrimp

Although iron shrimp is smaller in size compared to other shrimp, it has a delicious taste and a sweet and rich taste when processed.

• When choosing to buy iron shrimp, you should also choose to buy fresh, raw shrimp, the body is white pink and the shrimp legs are still attached to the body.

• If you see iron shrimp with a dark pink color, this shrimp has been preserved for a long time, rotting and the quality has been greatly reduced.

The secret to buying fresh shrimp (sea shrimp)

• Shrimp has a thin shell, soft and smaller head than tiger shrimp, but is rich in nutrients and has a natural sweet taste.

• When choosing to buy black shrimp, you should buy live shrimp, jumping, the body of shrimp is pink and white, with blue eyes.

• Do not choose to buy dead crayfish, the shells are dark pink.

When buying apples to choose a delicious apple, you should only choose a medium sized apple, slightly larger than her ball. When you eat an apple that is too big or small, it’s not good. Because apples that are too large can be sprayed with growth stimulants, apples that are too small are often sour or overripe when eaten, resulting in poor taste and illness.

Fruit shape

You should choose apples that are round, even, firm and heavy-handed, these apples will give more delicious juice than usual.

When buying, you should choose an apple with no or very few scratches due to the impact, no bruises due to the impact of much transport, dropping the apple, making the apple less delicious.

Delicious apples are not porous

Observe the pods

Wise housewives, when buying apples, often pay close attention to the apple peel. You should choose to buy apples that are fresh in color, the skin of these apples will be more delicious. Stretched apples are usually more succulent than apples when they are touched and a clumpy feel.

If you are a fan of sweet apples, choose a darker fruit with small white seeds on the skin. Avoid dull, dark, crushed, or pests apples.

Smell the apple

When you buy apples, you want to know if the apple is delicious or not you need to try to smell the apple. If the apple is ripe and delicious, it usually smells very delicious when eaten. Unripe apples are less flavorful and will often have a sour taste and are less likely to taste bitter.

Delicious apples often stretch the hand

Check the apple’s crispness

To check the crispness of the apple, use your finger to gently press the apple to see if it is firm or soft.

You should not buy apples with a lot of blemishes because when eating apples are not sweet and the apple is fluffy.

Mosquito killer is widely advertised and sold on social networks. Quality how the buyer is difficult to discern. Screenshots

The seasonal weather creates conditions for mosquitoes to breed, including mosquitoes that cause dengue fever. Therefore, many people are interested in mosquito killer products.

* Builds for… mosquito repellent

To prevent dengue fever, Ms. Nguyen Thi Tam (living in Trung Dung Ward, Bien Hoa City) went to an e-commerce site to order a 100ml bottle of mosquito repellent Permethrin 50EC, 100ml capacity for 70,000 VND, recommended by the seller as originating from the UK, recommended by the Ministry of Health. When her children and grandchildren go to work and school, according to the instructions, she mixed the medicine bottle with 5 liters of water and sprayed it from the house to the garden. After nearly a day of spraying, from morning to afternoon when her family members returned home, everyone was still under construction because they could not stand the strong, stinking smell of pesticides that lurked in the house. Seeing that, her family had to turn on the fan, open the door wide to let the smell of medicine go away before they dared to enter the house.

Director of the Center for Disease Control of Bach Thai Binh province recommends that, when spraying mosquito repellent, there are some points to note: choose the time of spraying when no one is at home. When spraying should go backwards from the inside out to avoid contact with chemicals. Only return home 30-60 minutes after spraying; The elderly, pregnant women and children should return home after 2-4 hours. When spraying, cover cooking utensils, food, drinking water …

As noted by the reporter of Dong Nai Newspaper, at present, there are many probiotics sold on the market to kill mosquitoes and other insects. These products are very diverse, the type commonly used in many households today is the spray bottle and mosquito incense. In addition, there are products to kill mosquitoes with water or powder, mixed with water to spray on a wider area. However, the market for mosquito repellants is also confusing, people who do not pay attention or have a cheap ham, it is easy to buy toxic chemicals under the label of “mosquito repellant” that is safe for people.

Mr. Nam Nghia, a person who has been selling cleaning chemicals for many years at Bien Hoa market (Bien Hoa city), said that foreign mosquito repellants are often counterfeited. Counterfeit drugs are made in 2 forms: the correct form of the biological product to kill mosquitoes, but the buyers dilute it, 1 bottle into 2-3 bottles to make a profit, this type reduces the effectiveness of mosquito killing but less dangerous for people. The second is a fake medicine made from a pesticide, extracted in small bottles, labeled with a fake mosquito killer and sold at a cheaper price, which is very toxic.

According to Mr. Nam Nghia, the mosquito repellent brand Permethrin 50EC is selling very well because of its good effect. If the goods are from the UK, the smell is light, does not cause harm to people, the price is about 250 thousand VND / 100ml bottle. This type is being counterfeited the most and only sells for 1/3 of the correct price. To identify the genuine drug Permethrin 50EC is a white bottle cap with a dark brown shell, on the bottom of the bottle there is a logo of the product’s name embossed, and the fake is not.

* Use a safe mosquito repellant

“There is no mosquito repellent that is absolutely safe for human health, even if it is a real mosquito killer. Because all current mosquito repellents or repellents are chemicals, they also have certain harms to users, if used incorrectly, especially for the elderly, pregnant women and children. children. It is more dangerous if using fake mosquito repellent as bottled insecticide, the harm will be unpredictable ”- Dr. Bach Thai Binh, Director of Provincial Center for Disease Control confirmed.

According to Dr. Bach Thai Binh, in principle when spraying mosquito repellent, chemicals will cling to the contact surface of objects and on the user’s skin if there is no good isolation or protection when spraying. If using a concentrated drug on a narrow area, it is easy to risk allergies or skin irritation such as erythema, itching, burning skin or swelling of the eyes, sneezing, runny nose … If using the drug Using insecticides to kill mosquitoes will increase the likelihood of chemical poisoning. Mildness may cause dizziness, vomiting; severe breathing can lead to difficulty breathing, coma. When you encounter mild chemical contamination situations, you should take a shower immediately to remove any chemical particles on your skin. In severe cases, it is necessary to bring the patient to the nearest medical facility.

Currently, there are many types of mosquito repellent on the market and mosquito repellent chemical spraying service. People can use drugs or rent services, but should buy drugs at stores and agents with clear addresses, labels, origins, standards certification stamps. Should not be cheap but buy floating goods in the market. If you are looking for a mosquito spraying service, you should hire a company that is reputable and has specific addresses.

However, according to Dr. Bach Thai Binh, spraying chemicals to kill mosquitoes is only a temporary urgent solution. Basically, you should choose a solution to regularly clean the living area and the area around where you live such as: clearing the bushes where mosquitoes live; cap tightly the canals, drains, water jars, pots, dump water in discarded materials … to kill larvae; sleeping should be blind.