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A new mycotoxin produced by Aspergillus clavatus.

Extensive investigation of mycotoxin-producing fungi on and in Japanese foods has been carried out in our institute. About fifteen hundred strains were isolated from more than five hundred samples of various kinds of foods. Two strains of them were proved to produce aflatoxins. New metabolite was isolated from one strain of Aspergillus clavatus (WF-38-11) found in wheat flour and named ascladiol.