af·la·tox·in 
(ăf′lə-tŏksĭn)
(ăf′lə-tŏksĭn)n.
Any of a group of toxic compounds produced by certain molds, especially Aspergillus flavus, that contaminate stored food supplies such as animal feed and peanuts.
[New Latin A(spergillus) flā(vus), species name (ASPERGILLUS + Latin flāvus, yellow; see FLAVO-) + TOXIN.]