When you hear the word "peasant residue", many friends will unconsciously fight the cold war. In fact, they don't need such tension. As long as the correct method is adopted, pesticide residues can be quickly removed. Xiaobian summarizes several methods for removing pesticide residues. Let's learn together.
1. Soaking and washing method
Only partially contaminated pesticides can be removed, but water washing is the basic method for removing other dirt and pesticides from fruits and vegetables. Generally, the surface dirt is washed away with water, then soaked in water for at least 10 minutes. Fruit and vegetable cleaning agents can increase the dissolution of pesticides, so a small amount of fruit and vegetable cleaning agent can be added during soaking. Rinse with water for two or three times after soaking.
2, alkaline water immersion method
Organophosphorus pesticides decompose rapidly in alkaline environment, and soaking with alkaline water is an effective measure to remove pesticide pollution. The method is to first rinse the surface dirt, soak in alkaline water (usually add 5-10g of alkali surface in 500ml water) for 5-15min, then rinse with water for 3-5 times.
3, peeling method
The amount of pesticides on the surface of vegetables and fruits is relatively high, so peeling and peeling is a good method to remove residual pesticides.
4, storage method
During the storage process, the active substances such as oxygen in the air and enzymes in the vegetables can react with the residual pesticides to oxidize and degrade the pesticides, thereby reducing the amount of pesticide residues and reducing their toxicity. Therefore, the fruits and vegetables that are easy to preserve can be stored for a certain period of time, reducing the amount of pesticide residues. Generally stored for more than 15 days. It is also recommended not to consume freshly harvested unpeeled fruit immediately.
5, drying method
Spectral effects can cause decomposition and destruction of some pesticide residues in vegetables. Vegetables exposed to sunlight have less pesticide residues. For vegetables that are convenient for storage, it is best to leave it for a while. The oxygen in the air and the color enzyme in the vegetable have a certain decomposition effect on the residual pesticide.
6, salt water cleaning method
Washing vegetables with 1%-3% of the light salt water can not only remove some of the pesticides, but also remove the various insects hidden in the roots of the vegetable roots or on the back of the leaves.
7, heating method
As the temperature increases, the synthesis of carbamate insecticides accelerates. Therefore, some vegetables and fruits that are difficult to dispose of by other methods can be heated to remove local pesticides. Commonly used in celery, spinach, pakchoi, cabbage, green pepper, cauliflower, beans and so on. The method is to first wash the external dirt with clean water, put it into boiling water for 2-5 minutes, then rinse it with water for 1-2 times.
8, washing rice water soaking method
Washed rice water and semolina have been recognized as having a good effect on washing vegetables. The vegetables are soaked in washed rice water or semolina for a while and then washed, which can clean vegetables very well. For example: semolina washing peaches, can well remove the fluff on the surface of peaches.
9, washing vegetables
Nowadays, there are a lot of vegetable washing agents on the market. Most of them emphasize the effect of super strong pesticides. When purchasing, you must carefully choose, be optimistic about the instructions and precautions, choose the products of regular manufacturers, and choose the vegetable washing agent reasonably. Kinds to avoid secondary pollution of vegetables. But no matter what product you choose, be sure to wash it with water before eating.
More pesticide knowledge, please pay attention to China Pesticide Network
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