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. 1967 Jan;93(1):59-64.
doi: 10.1128/jb.93.1.59-64.1967.

Antimicrobial activity of aflatoxins

T Arai, T Ito, Y Koyama

Antimicrobial activity of aflatoxins

T Arai et al. J Bacteriol. 1967 Jan.

Abstract

Antimicrobial activity of a crude aflatoxin preparation and of aflatoxin B(1) was studied. They were found inactive against common gram-positive and gram-negative bacteria at a concentration of 100 mug/ml. Both samples of aflatoxin did, however, exhibit antimicrobial activity, though narrow and limited, against various strains of Streptomyces and Nocardia. The antibiotic action of aflatoxin B(1) was confirmed by bioautogram after thin-layer chromatography. Among seven strains of microorganisms, including aflatoxin-sensitive and -resistant strains, N. asteroides IFM 8 was found to reduce aflatoxin B(1), in addition to other minor fluorescent components in the crude preparation.

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