[Code of Federal Regulations] [Title 7, Volume 8] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 7CFR983.4] [Page 559] TITLE 7--AGRICULTURE CHAPTER IX--AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE PART 983_PISTACHIOS GROWN IN CALIFORNIA--Table of Contents Sec. 983.4 Aflatoxin. Aflatoxin is one of a group of mycotoxins produced by the molds Aspergillus flavus and Aspergillus parasiticus. Aflatoxins are naturally occurring compounds produced by molds, which can be spread in improperly processed and stored nuts, dried fruits and grains.