Aflatoxigenic potential of Aspergillus flavus isolates from Indonesian herbal drugs
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概要
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The isolation and characterization of aflatoxigenic Aspergillus flavus from 79 retailed samples of traditional herbal drugs ("Jamu") and spices collected in Indonesia are reported. The ability of 30 isolates to produce aflatoxins on defatted peanut meal was assessed. Among these isolates, three strains differ from typical A. flavus by having enormous numbers of microsclerotia (about 300μm in diameter) and are conspecific with the fifth group of aflatoxigenic A. flavus according to Hesseltine et al. in 1970. In a comparison between the Indonesian strains and the three NRRL strains as being representative of the fifth group of A. flavus, most of these atypical sclerotigenic isolates produced very high levels of aflatoxin G<SUB>1</SUB>. Numbers of viable fungal propagules in the traditional herbal drugs and spices in Indonesia were also measured.
- 日本マイコトキシン学会の論文
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