2, overnight porridge: porridge is the easiest to inhale bacteria, so don't eat it. It is best not to eat overnight rice porridge, and it is best not to eat overnight rice porridge because overnight rice porridge and food can easily lead to flatulence and indigestion and cause stomach discomfort.
3. Boiling water overnight: Generally, it will contain nitrite, which is 1.3 times as much as when it was just boiled. Therefore, it is better to drink it every 3-5 minutes after boiling, otherwise, the human body will store too much nitrite, which will cause cancer.
4, overnight tremella soup: Because tremella contains more nitrates, cooked tremella, if left for a long time, nitrate will be reduced to nitrite under the decomposition of bacteria.
5, overnight vegetables: generally because nitrate is converted into nitrite, it is carcinogenic and cannot be eaten.
6. Overnight soup: It is prone to chemical reactions, even if it is put in the refrigerator, it is best to put it in glass or ceramic utensils.
7. Overnight seafood: Generally, you can't eat it, because it is easy to produce protein degradation products, which will damage the liver and kidney.
8, overnight lo mei: you must not eat it, even if it is stored in the refrigerator, it is easy to breed American troops and psychrophilic bacteria, causing cross-infection of food.
9, cold salad overnight: seriously polluted, if eaten overnight, it is easy to deteriorate.
10, overnight mushrooms: too much nitrate remains, which is easy to produce nitrite and cause cancer if left for too long.