Aflatoxin is known as the strongest carcinogen.Medical scientists believe that aflatoxin may be an important cause of liver cancer.In areas with high incidence of liver cancer,mung bean curdand dairy products,fermented soybean pastesoy sauceare commonly consumed, and these foods are prone to producing aflatoxin if improperly processed.

To prevent the mischief caused by these major carcinogens and reduce their threat to humans, scientific methods must be adopted in food production, processing, and cooking.