Aflatoxicol, a carcinogenic metabolite of the foodborne carcinogen aflatoxin B1 previously known only as a bioreduction product in vitro, was identified as the major aflatoxin metabolite in the plasma of Sprague-Dawley rats, a susceptible species, that had been doses orally or intravenously with aflatoxin B1 labeled with carbon-14. Formula: C17H14O6. (1S-(1alpha,6abeta,9abeta))-2,3,6a ,9a -Tetrahydro-1-hydroxy-4-methoxycyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)benzopyran-11(1H)-one AFL.
For each chemical with a positive (carcinogenic) experiment in the Carcinogenic Potency Database (CPDB), results are included on carcinogenic potency (TD50) in each species and target sites in males and females. The summary presents the strongest evidence of carcinogenicity in each group. Cas number: 29611-03-8 . If there are both positive and negative experiments in a sex-species, the negative results are ignored in this Summary Table.
Alfatoxicol, however, was not detected in the plasma of similarly dosed mice and monkeys, which are both resistant to aflatoxin B1-induced cardinogenesis. The formation of aflatoxicol both in vitro and in vivo may be an indicatory of species sensitivity to aflatoxin-induced carcinogenesis and may be useful in the prediction of human susceptibility.
The aflatoxins are a group of toxic fungal metabolites that may be produced by the organisms Aspergillus flavus or A. parasiticus growing in animal feeds. Positivity is determined by an author’s opinion in a published paper. If all experimental results in the CDPB are negative in a sex-species group, “no positive” appears. If the CPDB has no experiments in the sex-species group, “no test” appears.
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