Aflatoxin (Aflatoxin, AFT) is a class of strong carcinogens, produced by A.falvus and A.parasiticus during their growthing and breeding, discovered in the suburbs of London in 1960 first. It destroys human and animal liver tissue, severe cases can cause liver cancer and even death, in 1993, classified by WHO-International Agency for Research on Cancer (IARC) as a Group1 human carcinogen(IARC,1993). Aflatoxin M_1 (AFM_1) is the hydroxylated metabolites of AFB_1 (aflatoxin B_1) in vivo and may be detected in ...