Leftovers must be heated thoroughly. Is to heat the dish to 100℃ and keep it boiling for more than 3 minutes. If the meat is big, it must be cooked for a long time, or chopped and reheated.
Pay special attention if you heat leftovers in the microwave oven. Microwave heating is easy to get uneven heating. It is likely that this part of the food is already very hot and the other part is still cold. If you first heat the food in a microwave oven for one or two minutes to raise the internal temperature of the food, then heat it in a pot or steam it in a steamer, it will be easier to heat it thoroughly.
Preservation methods of extended information overnight dishes;
The raw material of nitrite production in vegetables is nitrate in vegetables, and the transformation condition is mainly bacterial growth. "Overnight" is only a matter of time. Reducing the production of nitrite can be done in a multi-pronged way. First of all, reduce the preservation time of vegetables, especially green leafy vegetables, and increase the frequency of buying vegetables.
Secondly, vegetables that need to be kept fresh can be washed and wrapped to reduce the bacteria carried. Do the unfinished dishes well, or keep them sealed in the refrigerator.
"Overnight" is not the key to nitrite production, and heating will not increase the content of carcinogens. Of course, many vitamins in vegetables will be destroyed by heating, and vegetables heated many times are also unpalatable. From the perspective of "delicious", "overnight dishes" are really poor; From the point of view of nutrition, repeated heating is not good.