In order to minimize the impact of harmful substances on the body, it is best to seal the remaining cooked food in the refrigerator with glass or porcelain utensils. When the food in the refrigerator is eaten again, it should be heated thoroughly with high temperature. It's best to buy fresh meat and eat it at once. If you can't use it all at once, you'd better put it in the refrigerator for freezing. This is the best way to preserve fresh meat.
Usually, the nitrate content of stem and leaf vegetables is the highest, while that of melon vegetables is slightly lower, and roots and cauliflower are in the middle. Therefore, if you buy different kinds of vegetables at the same time, you should eat stems and leaves first, such as Chinese cabbage and spinach. If you are going to cook more vegetables and eat them hot the next day, try to make fewer stem and leaf vegetables and choose melons.
Extended data
It's better to leave meat dishes instead of vegetables.
Meat dishes stored in the refrigerator can be kept for 1-2 days as long as they are thoroughly heated before being eaten again. Although some B vitamins have been lost, protein can be preserved completely without harmful substances. However, vegetables are easy to produce nitrite during storage, and their antioxidant components, vitamin C and folic acid, are greatly lost after storage and repeated heating.
On the other hand, meat dishes still taste good when reheated, while vegetables almost lose their delicious value after reheating. Therefore, we should try our best to concentrate on calling on everyone to finish the dishes at one meal, and the meat dishes can be saved for the next meal.
In meat dishes, the first thing to eat is the product, and meat can be preserved for a long time. This is because the aquatic products in protein are particularly easy to be decomposed by microorganisms, and aquatic products are more likely to breed harmful microorganisms.
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