Mildew food. Studies have shown that moldy food is often contaminated by mold, producing carcinogenic mycotoxins (such as aflatoxin), which is the most harmful to the liver and easy to induce liver cancer. In the eyes of many people, now that the economic conditions are good, moldy food is far away from us. In fact, in the rainy season in the south of the Yangtze River and the humid south China all the year round, a lot of grain may go moldy in two or three days if it is not stored properly. The foods most susceptible to mold contamination are peanuts, corn, rice, sorghum and peanut oil. Some thrifty people remove the moldy parts of bread, fruit and other foods and continue to eat the rest. This is not desirable, because the cytotoxin produced by mold will spread in food, and it is difficult to estimate the spread range with naked eyes.