气相色谱法测定奶粉中的EPA和DHA  

Determination of EPA and DHA in Milk Powder by GC

作　　者：刘波[1] 郎昭斌 杨君[1] 鄂来明[1] 杨金宝[1] 

机构地区：[1]国家乳制品质量监督检验中心

出　　处：《中国乳品工业》1997年第3期45-47,共3页China Dairy Industry

摘　　要：本文采用气相色谱法测定奶粉中的ＥＰＡ和ＤＨＡ。ＦＩＤ检测定量。本方法的最低检测线：ＥＰＡ为２．０×１０－９ｇ；ＤＨＡ为５．０×１０－９ｇ。变异系数：ＥＰＡ为ＣＶ％＝２．３７；ＤＨＡ为ＣＶ％＝２．６２。平均回收率：ＥＰＡ为９７．８４％；ＤＨＡ为９７．９１％。This is a method for determination of EPA and DHA in milk powder by GC The detector FID was applied for quantity analysis.The minimum detectable value of EPA is 2 0×10 -9 g and DHA is 5 0×10 -9 g The variation coefficient (CV%) of EPA is 2 37 and DHA (CV%) 2 62 The recovery of EPA is 97 84% and DHA is 97 91 per cent

关 键 词：乳粉 气相色谱法 脂肪酸 EPA DHA 测定 

分 类 号：TS252.7[轻工技术与工程—农产品加工及贮藏工程]