Pesticide residues are very harmful, how can we clean up pesticide residues?

In everyday life, pesticide residues in agricultural products can be removed or reduced by placing, washing, cooking and peeling. Pesticide residues degrade over time. Some durable potatoes, cabbage, cucumbers, tomatoes, etc., can be stored for a few days after purchase, on the one hand, the agricultural products can continue to ripen, and on the other hand, pesticide residues will be reduced due to degradation.

After peeling <> apples, pears, oranges and other agricultural products, the amount of pesticide residues on the skin is generally higher than that of their internal tissues, so peeling and peeling is a good way to remove pesticide residues. Salt water can clean up some pesticide residues, but the effect is not good, but for vegetables with insects or seafood that want to clean up the silt, the effect is still there. However, for green leafy vegetables and fruits, brine can dehydrate the plant, affecting its taste and nutritional value, so it is not recommended.

How do I remove pesticide residues? First of all, we wash with water, which can remove most of the pesticide residues from the surface through water washing and rubbing. Then we can choose different soaking methods according to different ingredients, soaking can remove part of the pesticide residue, but the soaking time is not too long.

Experts recommend that about 10 minutes is best, if the soaking time is too long, nitrite may be produced, which is also harmful to the body. Do not wash with dish soap: the skin of vegetables and fruits is thin and wrinkled, if you use dish soap, it is easy to penetrate from the broken surface of vegetables and fruits, and dish soap usually contains a fluorescent agent with bleaching effect, which is carcinogenic even if used"Vegetables only"Dish soap also contains substances that are more or less harmful to the human body.

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You can use baking soda to clean the residue on it, which can protect your health, or you can choose salt water, or wash it several times in your life.

You can buy some related fruit and vegetable cleaners, you can wash the pesticides on it, or soak it in salt water, or you can soak it in baking soda.

When washing, you can choose some special fruit and vegetable cleaners, which should be washed with running water, or soaked in salt water for a period of time.

Drying, washing, peeling, and heating are the four treasures that remove pesticide residues from vegetables and fruits. There are many good ways to clean vegetables and fruits, and after being familiar with the following techniques, it will not be delayed for too long. In order to better be able to better care for our physical and mental health, why not take the time when washing vegetables and fruits?

Cabbage, rape, cabbage (cabbage) should be cleaned with special care. After buying the leafy vegetables at home, spread them out and let some of the pesticides evaporate. Sunlight exposure can decompose pesticides and destroy them, and after five minutes of exposure, the organochlorine content can be greatly reduced.

When cleaning rapeseed, it is necessary to cut an extra part from the root upward, so that each leaf is scattered and not connected. The root part is recommended to be discarded. After the leaf menu is broken off, rinse it with running water, because the pesticide in the leaf part will flow to the root of the leaf, so there are more residual pesticides in the root.

Eggplant: Loofah, green beans, and rice dumplings should be peeled as much as possible before eating, although eggplant skins and other nutrients are included, but it is recommended to peel them if they cannot ensure their safety.

The eggplant that is difficult to clean, its pesticide residues are all over its convex and concave surfaces and crevices, and must be rinsed with a soft-bristled toothbrush and soaked in soda. It is recommended that the eggplant be blanched before serving. Wash the loofah with a little salt hand washed, peeled and taken.

After rinsing the cruciferous family, soak it in rice washing water or soda water, tear it into small pieces and rinse. It is recommended to use water for a little longer, and rinse it again with clean water after the water has been soaked. Chaotian pepper When spraying pesticides, Chaotian pepper is generally sprinkled from top to bottom, and it is most likely to have residues at the pedicle.

When cleaning, the pedicle should be removed, and it is best to remove the pedicle and throw it away; Wash and cut again, otherwise pesticides will enter through the opening; The key is to brew than brew, wash every side, and brush it with a soft toothbrush; After rinsing with water, replace the bubble, put two spoons of edible baking soda, and use acid-base neutralization method to remove part of the pesticides, methyl parathion and carbamate pesticides will reduce endotoxin after touching alkaline substances such as soda. Edible baking soda powder is water-soluble, which guarantees that there is no residue in cleaning.

After adding tapioca starch to the mushroom water, it is easier to wash away the residue between the gaps by stirring it in one direction with your hands in the water. Rinse neatly, boil in boiling water for a while, then rinse with clean water and set aside.

I checked the following practices, and I don't know if it helps you.

1 Washing. Thorough washing of vegetables is the most direct and effective way to remove pesticides. Rinse the vegetables under tap water for more than 30 seconds, and with scrubbing, most of the residual pesticides will be removed.

Cleaning. 2 Peel.

For tubers and fruit vegetables, even if there are pesticide residues, they are mainly distributed in the epidermis, so peeling is an efficient means of removing pesticide residues. If you feel that eating the skin is nutritious, then as long as the vegetables are fully washed, there are few pesticide residues on the skin, and you can eat it with confidence.

Shelling. 3 Heating.

Pesticide decomposition is a chemical reaction, and the speed of the chemical reaction is greatly affected by temperature, so as long as the vegetables are fully heated, the pesticide degradation will be promoted. However, some degradation products are harmless, and some may be harmful, so blanching is a better choice. Blanch the vegetables and then take them out, so that the removal of pesticides is efficient and the damage to nutrients is relatively small, which is suitable for most vegetables.

Heating. 4 Soak in salt water.

Soaking vegetables in lightly salted water can increase the solubility of pesticides left on vegetables to a certain extent, but the effect is limited and affects the flavor of food. If the concentration of brine is too high or the soaking time is too long, reverse osmosis is also prone to occur, and pesticides will penetrate into the inside.

1. Soak the fruits and vegetables in tap water for 10 to 60 minutes, and then scrub them slightly

It can remove 15% and 60% of pesticide DU residues. However, yes

For fruits and vegetables with wax on the surface such as eggplant, green pepper and water fruit, it is best to soak them first and then wash them.

2. Cutting vegetables into small pieces and soaking them will cause pesticides to seep in, the best way is to keep the vegetables and fruits intact and rinse them with running water. You can also soak it in light salt water or rice washing water for the first time or two, the former will dissolve the pesticide quickly, and the latter will neutralize the pesticide toxicity, but do not soak it for too long.

3. Sunlight exposure can decompose and destroy some pesticides in vegetables. It has been determined that the residue of organochlorine and organic mercury pesticides can be reduced by about 60% when vegetables are exposed to sunlight for 5 minutes.

4. High-temperature heating can also decompose pesticides, such as scalding with boiling water or stir-frying in hot oil. Experiments have proved that some heat-resistant vegetables, such as cauliflower, beans, celery, etc., can reduce pesticide residues by 30% after washing and then scalding with boiling water for a few minutes, and then 90% of pesticides can be removed by cooking at high temperature.

5. Although peeling vegetables will cause a certain amount of nutrient loss, it can reduce pesticide residues. In particular, cucumbers, eggplants and other vegetables that use a lot of pesticides and most fruits are best eaten by peeling.

6. When eating apples, it is best to eat less around the pit, because the gaps in the pit will cause pesticides to seep in.

Teach you how to remove pesticide residues.

Answer: (e68a84e8a2ad62616964757a686964616f313334313430651) Rinse with running water and soak method. The main pesticides used to contaminate vegetables are organophosphorus insecticides.

Organophosphate insecticides are insoluble in water, and this method can only partially remove pesticide contamination. However, washing is the basic method of removing other dirt and removing residual pesticides on vegetables and fruits, and is mainly used for leafy vegetables, such as spinach, enoki, leek flowers, lettuce, bok choy, etc. Generally, the surface dirt is rinsed off repeatedly with water, then soaked in water for 15 minutes, and then rinsed with running water two or three times.

Fruit and vegetable cleaning agent can increase the dissolution of pesticides, and a small amount of fruit and vegetable cleaning agent can be added when rinsing.

2) Running water rinsing and alkaline water immersion method. Organophosphate insecticides decompose rapidly in an alkaline environment, so this method is an effective measure to remove pesticide contamination. It can be used for all kinds of vegetables and fruits.

The method is to rinse the surface dirt first, soak it in alkaline water (generally add 5 to 10 grams of alkaline surface to 500 ml of water) for 5 to 15 minutes, and then rinse with water 3 to 5 times.

3) Peeling method. The amount of pesticides on the surface of vegetables and fruits is relatively large, so peeling is a better way to remove residual pesticides. It can be used for apples, pears, kiwis, cucumbers, carrots, winter melons, pumpkins, zucchini, eggplants, turnips, etc.

4) Storage method. During storage, pesticides can be slowly decomposed into substances that are harmless to humans. For fruits and vegetables that are easy to preserve, they can be stored for a certain period of time with less pesticide residues.

It is suitable for non-perishable species such as pumpkin and winter melon. Generally, it is stored for more than 15 days. At the same time, it is recommended not to eat freshly picked, unpeeled fruits and vegetables immediately.

5) Heating method. Carbamate insecticides decompose faster as the temperature increases. Therefore, some vegetables and fruits that are difficult to treat by other methods can be removed by heating.

It is often used in celery, spinach, bok choy, cabbage, green pepper, cauliflower, beans, etc. Wash the surface dirt with clean water, put it in boiling water for 2 to 5 minutes to remove it, and then wash it once or twice with clean water.

Soak in water and wash several times.

For general vegetables, you can soak them in water for about 15 minutes, then scrub and scrub, and then brush them several times to remove some pesticide residues on the surface.

Wash vegetables with edible alkali or brine.

Since the pesticide components are mainly acidic, so when washing vegetables, add edible alkali appropriately, soak for five or six minutes (don't soak for too long), and then rinse with water. For vegetables with thick peels, they can be washed with salt water, which has a good effect on removing pesticides.

Blanch the vegetables in hot water.

For cauliflower, celery, green peppers, beans and other vegetables, they can be blanched in hot water before eating, and then washed once or twice, which can accelerate the decomposition of carbamate insecticides with the increase of temperature, so as to effectively remove pesticide residues. Be careful not to blanch too much with hot water, which can easily destroy the nutrients in the vegetables.

Peel to remove pesticide residues.

For root vegetables, peeling is a better way to remove residual pesticides, because the appearance is uneven or hairy melons and fruits on the surface of the pesticide is relatively more, such as winter melon, apple, pear, cucumber, etc., therefore, before eating, you can peel as much as possible to eat, but it should be noted that you must first clean and then peel, so as to avoid the pesticide contamination of vegetables and fruits on the leather knife.

Use fruit and vegetable detergents appropriately.

Now some meal washing, fruit and vegetable detergents are advertised to be effective in removing pesticide residues in vegetables and fruits, many people want to use it frequently, but experts believe that the so-called fruit and vegetable detergent can only play a certain role, if used too much or too frequently, it will cause secondary pollution, so it should be used carefully. Use a small amount each time, and the soaking time should not exceed 20 minutes, and be sure to rinse well.

Let vegetables and fruits bask in the sun.

Relevant studies have proved that the spectral effect of sunlight and ultraviolet rays on vegetables will occur, which will decompose, inactivate and destroy some residual pesticides in vegetables. Therefore, letting vegetables bask in the sun can remove residual pesticides to a certain extent.

Leave it for a period of time to reduce pesticide residues.

Some pesticides slowly decompose over time into substances that are not harmful to humans during storage. Therefore, for those vegetables that can be stored for a long time, they can be stored for 3-5 days after buying, and then washed and eaten several times with alkaline noodles, which can minimize pesticide residues.

Pesticide residues refer to the pesticide after use.

A general term for trace amounts of pesticide progenitors, toxic metabolites, degradants and impurities that have not been decomposed and remain in organisms, harvested precipites, soil, water, and atmosphere during the period.

Pesticides enter grains, vegetables, fruits, fish, shrimp, meat, eggs, and milk, causing food contamination and endangering human health. Generally, organochlorine pesticides are metabolized very slowly in the human body and accumulate for a long time. Organochlorine residues in the human body are mainly concentrated in fats.

The correct way to remove pesticide residues in vegetables and fruits:

Baking soda, that is, not too much baking soda in edible alkaline water, so that its concentration is between %2 and 15%. Generally 500ml of water, put 5 10 grams. Soak for about 10 minutes. After that, rinse with water again 2 to 3 times.

Rice washing water not only contains a variety of nutrients, but also has a strong decontamination ability. Usually, the second washing water is weakly alkaline, and the effect on washing off pesticide residues is obvious.

Vinegar has many functions, not only for flavoring, sterilization, and decontamination, but also for effectively removing toxins such as pesticide residues.

Fruit vegetables can be peeled. Vegetables such as tomatoes and eggplants have a layer of wax on the surface, and after spraying pesticides, there are more residual pesticides on the surface, and peeling off the skin can effectively remove the residual pesticides.

Soak in water for about 15 minutes, the time should not be too longFinally, use water again, and you can basically eat it with confidence.

After buying vegetables, let them go for a while before eating the residual toxic substances in vegetables and fruits, which will slowly decompose into non-toxic substances over time. After buying groceries, let them go for a few days before eating, and the poison will drop a lot.