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Chapter 109 Vegetables should not be kept in the refrigerator for a long time
Since the advent of refrigerators, people often go out to buy food on weekends, and then store food in the refrigerator to enjoy slowly.Under normal circumstances, storing canned food, beverages, condiments, etc. at a low temperature of 0-4°C can preserve the quality.Most fruits are stored in the refrigerator to delay rot and wilting.But if you think that everything will be fine with a refrigerator, and often store vegetables in the refrigerator for several days, it is very dangerous.

The greatest danger in vegetables comes from the nitrates in them.Nitrate itself is not toxic, but after a period of storage, due to the action of enzymes and bacteria, nitrate is reduced to nitrite, which is a toxic substance that combines with protein substances in the body and is the cause of gastric cancer. one of the important factors.

Fresh vegetables should be eaten as soon as possible after they are bought.The nitrate content in leafy vegetables is high, especially not for a long time.If the purchased vegetables have not been cooked on the same day, they should be put into a fresh-keeping bag in time, tied up and put in the refrigerator for temporary storage.Meat dishes can be reheated many times, but vegetables should be eaten on the same day after cooking, and leftovers should not be reheated repeatedly.Any vegetables that have turned yellow and water-soaked have very high nitrite content and must not be eaten.

In addition, things like bananas, fresh lychees, ham and chocolate should not be stored in the refrigerator for a long time.Because these things are stored in the refrigerator, once they are taken out, they are more likely to mold and deteriorate at room temperature and lose their original flavor.

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Some people think that watermelon tastes cool and sweet after being chilled in the refrigerator, but they don’t know that eating such watermelon often is harmful to health.Because after the watermelon is refrigerated at low temperature, the water in the pulp often forms ice crystals, which will irritate the throat and easily cause adverse reactions such as pharyngitis or toothache.Therefore, after buying watermelon, put it in a cool place for a while and eat it, preferably at one time.

(End of this chapter)