Removal of pesticide residues in vegetables 5 France

Immersion washing method: The pesticide varieties of vegetable pollution mainly of organic phosphorus insecticides, organophosphorus insecticides difficult to dissolve in water, this method can only remove part of the pesticide contamination. But the washing is to eliminate the other vegetables and fruits to remove dirt and pesticide residues based approach, mainly for leafy vegetables such as spinach, day lily flowers, chives, lettuce, cabbage and so on. Usually the first water wash away the surface dirt, and then soaked with water, soak at least 10 minutes. Fruit and vegetable cleaning agents can increase the leaching of pesticides, so when a small amount of fruits and vegetables soaked in cleaning agent. After soaking two or three times to use running water.

Alkaline soak method:Organophosphorus insecticides under alkaline conditions decompose quickly, so this method is an effective measure to remove the pesticide contamination. Can be used for all kinds of vegetables and fruits. Way is to first clean the surface dirt, soak in the alkaline (usually 500 ml water and adding alkali surface 5-10 g) 5 to 15 minutes, then rinse with water 3 to 5 times.

Peeling method:Vegetables and fruits is relatively large surface of pesticides, so slashing the skin is a good way to remove pesticide residues. Can be used for apple, pear, kiwi, cucumber, carrots, melon, pumpkin, zucchini, eggplant, radish and so on.

Storage method:The process of pesticide in storage with time can be slowly broken down into harmless substances. Therefore, preservation of fruits and vegetables easily available through the store some time, and less pesticide residues. Applies to apples, kiwi fruit, melon and other non-perishable categories. General storage for more than 15 days. At the same time the new harvest is not recommended for immediate consumption of the fruit is not peeled.

Heating method:Carbamate insecticides as the temperature increases, can speed up decomposition. Therefore, a number of other methods difficult to deal with vegetables and fruits can be heated to remove part of the pesticide. Commonly used in the celery, spinach, Chinese cabbage, cabbage, green peppers, cauliflower, beans and so on. First washed with water to the surface of dirt and put it into boiling water for 2-5 minutes remove and then washed with water one or two times