Aflatoxin B2-13C17 is intended for use as an internal standard for the quantification of AFB2by GC- or LC-MS. AFB2is a mycotoxin that has been found inA. terricola.1It induces hepatic autophagy and apoptosis in broiler chickens when administered at doses of 0.2,0.4,and 0.8 mg/kg.2AFB2 (0.5 and 1 mg/animal)also induces parenchymal cell hyperplasia in rats.3