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IAC-HPLC法检测牛奶中黄曲霉毒素和玉米赤霉醇及类似物质量分数

China Dairy Industry(2014)

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Abstract
建立了IAC-HPLC(免疫亲和柱净化-高效液相色谱)法检测牛奶中6种黄曲霉毒素和玉米赤霉醇及类似物的方法.样品经免疫亲和柱净化后,黄曲霉毒素用高效液相色谱——荧光检测器柱后衍生检测,玉米赤霉醇及其类似物用高效液相色谱——紫外检测器检测.结果表明,牛奶中黄曲霉毒素(M2,M1,G2,G1,B2,B1)的检测限分别为0.004,0.004,0.004,0.003,0.002,0.002 μg/L,6种黄曲霉毒素的平均回收率在91.20%~113.8%之间,变异系数小于8.79%;玉米赤霉醇及其类似物的检测限均为0.05 μg/L,平均回收率在54.22%~90.76%之间,变异系数小于9.44%.
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