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反相高效液相色谱法测定油脂及饲料中BHA和BHT

Science and Technology of Cereals,Oils and Foods(2009)

Cited 23|Views2
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Abstract
利用甲醇超声一次提取样品中的BHA、BHT,并使用反相HPLC测定含量。试验结果表明:校准曲线在1.0~50μg/mL范围内相关系数>0.9990,不同类型的样品的相对标准偏差<4.70%,回收率在90%~103%之间,样品最低检出限在0.002~0.005 g/kg之间。该方法样品前处理步骤简单,经济环保,测定快速,结果准确,适用于油脂及饲料中BHA、BHT的快速检测。
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Key words
ultrasonic extraction,grease,antioxidants BHA/BHT,reversed-phase high performance liquid chromatography,feed
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