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赭曲霉毒素A污染的7种根类药材中污染真菌的分析

Keywords: 根类药材,赭曲霉毒素A,污染真菌,青霉属

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Abstract:

目的:对7种受赭曲霉毒素A污染的根类药材进行污染真菌的分析,了解可能引起这些药材毒素污染的主要真菌类群。方法:用单孢分离法挑取药材表面的污染真菌,根据形态学及DNA序列特征对真菌进行鉴定。结果:从7份根类药材样品分离到6属17种真菌,其中青霉属真菌为主要污染真菌,有9个种,镰刀菌属3个种,曲霉属2个种,其他属3个种。结论:根类药材的真菌污染情况亟需重视,赭曲霉毒素A产生菌在药材上的分布具有一定的特异性。

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