Occurrence of aflatoxin M1 in cheese products commonly available in Sri Lankan market.

Aflatoxins (AFs) are a group of mycotoxins produced by certain fungi of spp. AFs of major concern are B1 (AFB1), B2 (AFB2), G1 (AFG1), G2 (AFG2), and M1 (AFM1). AFM1 is a hydroxylated metabolite of AFB1 formed inside the animal's body which is excreted into milk of cows that consumed AFB1 contaminated feed.