赭曲霉毒素包括7种结构类似的化合物,结构通式:R1=Cl或H;R2=H、CH3或C2H5。其中赭曲霉毒素A(R1=C1,R2=H)毒性最大,在霉变谷物、饲料等最常见。 赭曲霉毒素是继黄曲霉毒素后又一个引起世界广泛关注的霉菌毒素。它是由曲霉属的7种曲霉和青霉属的6种青霉菌产生的一组重要的、污染食品的真菌毒素,4种,其中毒性最大、分布最广、产毒量最高、对农产品的污染最重、与人类健康关系最密切的是赭曲霉毒素A。
委员会通过了指导使咖啡生产国能够制定和实施其自己的国家规划,防止并减少赭曲霉毒素A污染。
The Commission adopted guidance to enable coffee-producing countries to develop and implement their own national programmes for the prevention and reduction of Ochratoxin A (OTA) contamination.
经过以上条件净化处理,得到相对干净的色谱图,可以满足对葡萄酒中赭曲霉毒素A的定量检测。
Under the above conditions, clean chromatograms were obtained for quantitative detection of Ochratoxin A in grape wine.
以中国大耳白兔及罗曼母鸡为免疫动物制备抗赭曲霉毒素a抗体,比较了这两种动物的免疫应答进程。
Antibodies of anti ochratoxin a (anti OTA) were prepared by immunizing white rabbits and Luoman hens. The immune responses to OTA of these two animals were compared.
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