The Relationship Between the Vegetable & Fruit Freshness and Nitrite Content

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We know that fruits and vegetables contain nitrate. The nitrate in fruits and vegetables mainly from artificial fertilizers such as ammonium nitrate, calcium nitrate, potassium nitrate, sodium nitrate and urea nitrogen in fertilizer by soil transfer.

Fruits and vegetables after nitrogen absorption, often to nitrate are temporarily stored in the body. Inorganic compounds in leafy vegetables such as spinach, celery, cabbage, Chinese cabbage, cabbage, lettuce, leeks, sugar beet, cauliflower, radish leaves, Chenopodium album, shepherd’s purse and other, but the content is rare. General fresh edible had no effect.

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However, if the vegetables are not fresh, nitrate will be converted to nitrite in plants, resulting in a significant increase in the content of nitrite.

Short time in eating a lot of vegetables, a lot of nitrate into the intestinal tract, intestinal bacteria the conversion of nitrate to nitrite, in the intestine too much too quickly formed that late decomposition, a large number of nitrite into the blood will cause poisoning. Just pickled vegetables contain a large number of nitrite, 7-8 days reached the peak, 15 days decreased, 20 days after the disappearance. In order to avoid corruption and nitrite content, fresh fruits and vegetables is best not to long-term preservation, storage should be low temperature storage, such as frozen. Pickled vegetables to 15 days after edible.

Nitrite is toxic, in the food processing industry is most common is sodium nitrite. Very similar to the properties of sodium nitrite with our daily consumption of salt is often used as food additive coloration and antiseptic effect, widely used in meat, sausages and canned meat food. In fruits and vegetables in order to reduce the conversion of nitrate to nitrite content we suggest as far as possible the selection of fresh fruits and vegetables.

How to judge the fruits and vegetables are fresh? We usually choose the morning to buy fruits and vegetables, because the fruits and vegetables just listed, a relatively new; secondly, the most used method is observed, inspect the vegetable leaves will not yellow, rotten leaves.Fresh vegetable Chui brilliant and root fertilizer with straight is preferred.

In addition, you can also use nitrate detector to test nitrate content in vegetables and fruits determine whether they are fresh. nitrate test kit can help you test the nitrate and pesticides in your fruits and vegetables thus  you can control the too much harmful substance intake to your body.

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