AOACインターナショナルとその分析法のバリデーションプログラム (特集食品検査の精度管理)

概要

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In order to clarify environmental factors that contribute to invasion of Aspergillus flavus, one of the aflatoxin-producing fungi, into the maize kernels, the distribution of A. flavus as the potential inoculum in soil and atomosphere of maize fields and drying or storage facilities was examined in 8 provinces of Thailand during dry season (January-February, 1986). A. flavus was isolated from almost all of the soil samples. Although the numbers were quite different among the positive samples, it was concluded that the soil from middlemen's drying facilities and farmer's barn was, in general, more heavily contaminated than those from the fields. No A. flavus spore was trapped in 90 L of air samples from the 21 fields examined. On the contrary, A. flavus spores were trapped in almost all of the middlemen's drying facilities, although their numbers were smaller than those detected on the same locations in rainy season.
日本マイコトキシン学会の論文