液质联用法检测粮谷制品中4种单端孢霉烯类真菌毒素

Journal of the Chinese Cereals and Oils Association(2016)

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Abstract
建立粮谷制品中4种单端孢霉烯类真菌毒素的液相色谱-质谱联用分析方法.样品经乙腈/水溶液(84∶16,V/V)提取后用Mycosep(R) 226多功能柱净化,Agilent ZORBAX Bonus-RP色谱柱分离,液相色谱-质谱联用(LC-MS/MS)测定.结果表明,样品中4种单端孢霉烯类真菌毒素在各自的线性范围内线性关系良好,相关系数均不低于0.995,检出限为2~5 μg,/kg,3个加标水平下平均回收率为73.19%~107.39%,相对标准偏差为1.46%~ 13.24%.表明该方法净化效果好、灵敏度高,适用于同时检测单种粮谷制品中4种单端孢霉烯类真菌毒素的残留量.
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