The old hot pot oil can not be reused.

From a scientific point of view, repeated heating and repeated use of old hot pot oil will lead to the rancidity of fats and oils, producing carcinogens such as aflatoxin, which is harmful to human health in the long term.

While reusing the bottom of the pot is one of the traditional features of Sichuan-style hot pot, it is also its charm. Because the grease is concentrated in some flavor substances, every time you heat up some of the concentration, so that people feel the more simmering the more fragrant, with which to cook out of the meat and smooth and tender, very tasty, many local people are very good, not to the bottom of the pot of grease reuse for the disobedience.

But the choice between flavor and health, of course, health is more important.

Expanded Information:

Eating hot pot precautions:

1, don't eat while hot! The temperature of the oral cavity, esophagus and gastric mucosa tolerance temperature of 50 ℃ ~ 60 ℃, the temperature is too high easy to burn the oral cavity, esophagus and gastric mucosa.

2. Don't shabu-shabu for too short a period of time, as undercooked meat is prone to parasites, which pose a food safety risk.

3. Don't be tempted to eat meat, especially fatty beef and goat, which contain a lot of saturated fat that can harm your cardiovascular system and make you fat.

People's Daily News - Guangzhou Daily: hot pot with old oil habits why can not change

People's Daily News - eating hot pot four taboos