+256775259917 Aflatoxins form one of the major groupings of mycotoxins, and apart from Aspergillus flavus various members of the group of compounds occur in species such as: Aspergillus parasiticus, Aspergillus pseudocaelatus, Aspergillus pseudonomius, and Aspergillus nomius.Aflatoxin B1 is considered the most toxic and is produced by both Aspergillus flavus and Aspergillus parasiticus. Aflatoxin M1 is present in the fermentation broth of Aspergillus parasiticus, but it and aflatoxin M2 are also produced when an infected liver metabolizes aflatoxin B1 and B2.