Throw away the remaining oil after eating boiled fish, and don't use it for cooking. The oil of boiled fish can't be recycled. Repeated high-temperature heating will produce many fatty acid polymers harmful to human body. It is recommended not to use repeatedly heated cooking oil.

In the process of repeated use, oil is heated at high temperature and will be oxidized when exposed to air. If it comes into contact with water in food, it will hydrolyze. If the oil turns black and smells bad, it can't be used any more.

Extended data:

Pay attention to the following points when eating boiled fish:

1, don't overeat boiled fish, especially those "addicts" who want a pot every once in a while, and pay more attention to the right amount.

2. Boiled fish is a high-protein and high-calorie food. Although it is good to eat some high-energy food in cold season, we should pay attention to the collocation of vegetables and fruits to avoid vitamin deficiency.

3, because eating boiled fish leads to poor defecation the next day, it is because it is too spicy. At this time, it is best to drink more tea. If there are radishes, you can eat some to ventilate.

The direct consequence of eating boiled fish is sore throat and getting angry, because these foods are mainly wet and easy to produce phlegm and heat. It should be dissolved with chrysanthemum tea. At the same time, if you often eat boiled fish in winter, you should drink at least 1000 ml of water every day to relieve the gas.

People's Network-Don't use repeatedly heated cooking oil.

People's Network-Eating boiled fish often is unhealthy.