Mushrooms can't be eaten after being cooked for a few days. Shiitake mushrooms, fungus, silver fungus such edible itself contains nitrates, if cooked and left for a longer period of time, will be converted into nitrites, it is recommended to eat in a timely manner.
Several types of overnight dishes are not recommended:
1, leafy greens ?
Leafy vegetables in the nitrate content is very high, especially spinach and celery, nitrate many times heated easily converted into nitrite harmful to the body. Leafy vegetables are mostly inexpensive, for those who can't eat enough to give up the general public will not be too painful, if those who need to prepare meals on the second day, it is recommended that you choose root, cauliflower, melon and fruit type of vegetables, which contain nitrites compared to leafy vegetables are lower. ?
2, overnight seafood ?
Crab, shrimp, shellfish overnight will produce protein degradation products, will damage the liver, kidney disease, long-term will reduce liver and kidney function.
3, stew ?
Sometimes too much soup can not bear to pour out, it is recommended not to be placed for a long time in the iron pot, aluminum pot, easy to precipitate harmful substances. You can choose to put in a clean ceramic bowl, and then sealed with plastic wrap cooled into the refrigerator, as soon as possible to eat.
Expanded Information
The dangers of overnight vegetables:
In addition to the destruction of nutrition, overnight vegetables will produce disease-causing nitrites. This is because the longer the storage time, the vegetables in the nitrite content will increase with. Stir-fried vegetables, meat contains a lot of oil, salt, long time after the nitrite content will also increase dramatically. Nitrites, although not directly carcinogenic, but there is a certain health risk to the body.
The humid, mixed environment of a variety of foods in which overnight food is found can easily harbor bacteria. Especially in the hot summer, the speed of bacterial reproduction accelerated, overnight dishes are easily contaminated by bacteria, people eat again, it is easy to cause gastrointestinal diseases, and even food poisoning.
People's Daily News - overnight dishes are harmful, these kinds of overnight dishes should not be eaten again