It's best not to eat Chinese cabbage after overnight. Raw Chinese cabbage contains nitrate. After frying, it will produce nitrite after placing. The longer it is placed, the higher the content of nitrite. This substance will be transformed into nitrosamine after entering the human body. It is a carcinogen, so it should be poured out after eating. How to spend the night with Chinese cabbage? Chinese cabbage is a common vegetable in our life. Many families often use it to fry. Whether it is stir fried or fried with meat, it has a different flavor and is loved by people. However, in order to eat a little more, many people often do a lot when cooking, resulting in a day's food, especially Chinese cabbage.
But in fact, Chinese cabbage can't be eaten overnight, because raw Chinese cabbage contains non-toxic nitrate. After frying, it will produce nitrite, and the longer it is placed, the higher the content of nitrite. This substance will be transformed into nitrosamine when it enters the human body. It is a carcinogen and is very harmful to the human body.
Chinese cabbage should be eaten as you cook. You should eat as much as you cook each time. You'd better not leave it. If there are leftovers and you don't want to throw them away, you can eat some foods that inhibit the formation of ammonium nitrate, such as garlic, or drink some tea after eating. However, for the sake of health, it's best not to eat Chinese cabbage overnight.