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  • Title: Effect of cyclopropenoid fatty acids on the hepatic microsomal mixed-function-oxidase system and aflatoxin metabolism in rabbits.
    Author: Eisele TA, Loveland PM, Kruk DL, Meyers TR, Sinnhuber RO, Nixon JE.
    Journal: Food Chem Toxicol; 1982 Aug; 20(4):407-12. PubMed ID: 6813208.
    Abstract:
    Male New Zealand weanling rabbits were fed a diet containing 0.25% cyclopropenoid fatty acids for 28 days. Compared with the controls, the rabbits given cyclopropenoid fatty acids showed retarded growth, some moderate liver histological damage, altered hepatic mixed-function-oxidase activities and minor variations in vitro [14C]aflatoxin B1 metabolism. In in vitro assays the major hepatic metabolite of aflatoxin B1 (AFB1) was aflatoxicol (AFL) and the major AFL metabolite was AFB1. Minor amounts of aflatoxin M1 and a metabolite believed to be AFL-M1 were formed. The similarity of this AFB1 metabolite pattern to that in rainbow trout, taken together with the apparent absence of AFB1 detoxification products is consistent with the sensitivity of both species to the acute effects of AFB1.
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