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固相萃取-高效液相色谱法测定乳制品中的黄曲霉毒素M_1 被引量:5

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摘要 目的建立一种简单方便的提取乳制品中黄曲霉毒素M1(AFM1)的方法。方法试样经过沉淀蛋白质、除去脂肪后,提取上清液过滤,经免疫亲和柱固相萃取后,用高效液相色谱仪测定AFM1。结果方法线性范围为0.1~1.0μg/L,回归方程y=9454.8x-628.2,相关系数r=0.99996,方法精密度(RSD)4.02%~5.71%,回收率为71.0%~80.5%,检出限0.003μg/kg。结论该法提取样品简单方便,检测速度快,回收率高,精密度良好。
作者 徐燕 王冬梅
出处 《海峡预防医学杂志》 CAS 2014年第3期47-48,共2页 Strait Journal of Preventive Medicine
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