建立了鸡组织中抗病毒类药物多残留检测的液相色谱-电喷雾串联质谱法(LC-ESI-MS/MS).采用三氯乙酸-乙腈溶液提取鸡组织中的金刚烷胺、金刚乙胺、美金刚、咪喹莫特和吗啉胍,离心过滤后经强阳离子交换柱(SCX)净化,色谱柱Xamide(100 mm ×2.1 mm,5μm)分离,多反应监测(MRM)正离子扫描方式进行质谱检测.结果表明,鸡组织与鸡肝中5种药物的检出限为0.06~0.30 μg/kg,定量限为0.2~ 1.0 μg/kg.当5种药物的添加水平为0.2~10.0μg/kg时,在鸡肉中的平均回收率为72.3%~ 94.2%,相对标准偏差(RSD)(n=6)为3.5%~11.3%;在鸡肝中的平均回收率为70.8%~ 92.7%,RSD(n=6)为5.3% ~ 12.6%.该方法选择性好,抗干扰能力强,可作为鸡肉和鸡肝中抗病毒药物残留检测的确证方法.
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