Aflatoxin is mainly a toxic substance produced by Aspergillus flavus, Penicillium, Aspergillus niger and Aspergillus winters can also be produced, the disease caused by the toxin is named aflatoxicosis.
As early as 1915, people found that mouldy feed will cause livestock poisoning, and then often found mouldy food and feed to make people, livestock poisoning, and later scientists found that this is caused by aflatoxin. Aflatoxin mainly harms the human liver and kidneys, and is closely related to the occurrence of liver cancer.