The dangers of overnight vegetables

May 6, 2023

With the improvement of living standards, households basically have a refrigerator, sometimes the dishes do more, not eaten will be stuffed into the refrigerator, leaving the next day to eat, long-term so eat overnight food is really good, we often eat overnight food what harm it?

Overnight food and "night" has nothing to do with

We often say that the overnight vegetables do not only refer to the dishes placed a night, but refers to the time after cooking fried over 8 to 10 hours of vegetables, the degree of harm overnight vegetables and not overnight does not have a lot to do with the preservation conditions, preservation time and the nitrate content of the ingredients.

Harmful substances in overnight vegetables

We often stop saying that overnight vegetables can cause cancer, where is the basis? In fact, the high content of nitrate in vegetables, and these ingredients will make the nitrate into nitrite after frying for a long time, the longer the time, the more nitrite content, nitrite is a class of highly toxic substances and strong carcinogenic substances, it can cause poisoning if a large number of people enter the body, but also teratogenic and carcinogenic.

Overnight food bacterial contamination is serious

Generally speaking, the nitrate content in meat food is very small, usually raw meat bacteria, but the refrigerator freezing and high temperature cooking environment will kill the bacteria, and cooked meat dishes once exposed to the air, tasted by humans, more or less will be contaminated with bacteria, after a long period of time, the bacteria multiply, the nutritional value is greatly reduced, and hot dishes can not be completely killed bacteria.

Eat less overnight vegetables

"Overnight vegetables" we have all eaten, in fact, do not have to eat overnight vegetables will cause cancer and panic, overnight vegetables in nitrite content as long as the human body does not exceed the maximum tolerance, in fact, there is no problem, occasionally eat overnight vegetables does not matter, as long as not a long time to eat a lot on the line, if you buy more vegetables, can be divided into several times to do, put in the refrigerator to chill, and do not once a time to eat overnight vegetables. Put it in the refrigerator, and do not cook it all at once, and eat it in several times.

Which overnight vegetables can not eat

1, green leafy vegetables contain more nitrates, should be done once eaten, or buy some less. 2, seafood, fish and other protein-rich food, but once long put will produce protein degradation, damage to the liver and kidneys and other functions. 3, silver fungus contains more nitrates, cooked and put, easy to reduce to nitrite, and nutrients will be reduced and produce harmful substances.

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