Aflatoxicol

NOTES 831

2722 Purchased by Agricultural Research Service. U.S. Department ofAgriculture. for Official Use. Aflatoxicol: structure ofa new transformation product ofaflatoxin B1

ddr.nal.usda.gov

A concern in ruminants?

aflatoxicol and M1 is similar to that of B1, and they are readily absorbed by the intestine. Therefore, even when B1 is degraded in the rumen to aflatoxicol and trans

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B,, B2, G,, G2, and M, and aflatoxicol were either prepared from Aspergillus cultures directly or by chemical conversions previously described (3, 12, 19,

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Biological degradation of aflatoxins

Four fungal strains, Aspergillus niger , Eurotium herbariorum, a Rhizopus sp., and nona-flatoxin (AF)-producing A. flavus, are able to convert AFB 1 to aflatoxicol (AFL) by reducing the cyclopenten-one carbonyl of AFB 1.

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EFFECT OF DIETARY SELENIUM ON THE METABOLISM OF AFLATOXIN BI ...

This procedure permitted accurate quantitation of free and conjugated aflatoxins B1, G1, B2, G2, MI, Q~ and aflatoxicol at limits of sensitivity of at least 0.01 ng B~ equivalents/g tissue.

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Chapter 13: Fungal Mycotoxins

Other environmental conditions, such as the presence of organic acid, also irreversibly convert AFB1 to aflatoxicol B, which is 18 times less toxic than AFB1.

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MYCOTOXINS IN FOODS AND FEEDS 1-AFLATOXINS

Other metabolites B 2a, aflatoxicol, aflatoxicol H 1 and aflatoxins P 1 and Q 1 have been identified (FDA, 1979). Although approximately 20 aflatoxins have been identified, only 4 of them (B 1, B 2, G 1 and G 2) occur naturally.

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Cancer Res 1986;46:3249-3253.

and aflatoxicol were obtained from Sigma Chemical Company, St. Louis, MO. Stock solutions were dissolved in chloroform and methanol and then diluted in 10 nisi Tris-I mMEDTA to working concentrations.

cancerres.aacrjournals.org

Aflatoxin Cause DNA Damage

Verma and Chaudhari (1998) also reported presence of seven different types of aflatoxins (B1, B2, G1, G2, M1, M2, aflatoxicol) in the saliva of human beings.

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Nutrition New insights to controlling mycotoxin danger in ducks

less toxic aflatoxin M1, P1, Q1, B2a, and aflatoxicol. How ever, in livestock and poultry, these metabolites can be de posited in meat, milk, and eggs and could subsequently

allaboutfeed.test.blueskies.nl

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