超高效液相色谱-串联质谱法测定水产品中孔雀石绿、结晶紫及其代谢物残留量

Physical Testing and Chemical Analysis(Part B:Chemical Analysis)(2012)

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Abstract
采用超高效液相色谱一串联质谱法同时检测水产品中孔雀石绿、结晶紫及其代谢物(隐色孔雀石绿、隐色结晶紫)。经匀浆处理的水产品样品,用乙腈提取,加入酸性氧化铝去除油脂,旋转蒸发器蒸干后,用甲酸-乙腈-水(0.1+10+89.9)溶液溶解,样品溶液用超高效液相色谱分离,电喷雾串联四极杆质谱进行检测。以氘代孔雀石绿、氘代隐色孔雀石绿为内标物。孔雀石绿、结晶紫及其代谢物的质量浓度均在5.0/2g·L^-1以内与其峰面积呈线性关系,检出限(38/N)在0.10-0.12μg·kg叫之间。以空白水产品样品为基体进行回收试验,方法的回收率在90.2%-108.0%之间,相对标准偏差(n=6)在2.3%-7.6%之间。
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Key words
Crystal violet,Leuco-malachite green,UHPLC-MS/MS,Malachite green,Leuco-crystal violet
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