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气相色谱法检测牛乳中共轭亚油酸的研究

Analysis of Conjugated Linoleic Acid in Milk by GC
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摘要 共轭亚油酸(CLA)主要存在于反刍动物乳制品中,本试验建立了气相色谱法检测CLA的方法,采集牛乳提取脂肪检测脂肪酸中CLA的含量,发现在试验条件下c9,t11-CLA占到总脂肪酸含量的1.25%,是CLA异构体的主要形式。 Conjugated linoleic acids (CLA) are fatty acids that are found naturally in foods derived from ruminant animals. Milk fat was extracted and fatty acid methyl esters, including c9t11-C LA and t10, c12-CLA, were analyzed by using GC method. The results indicated that cis-9, trans-11 CLA has a propotional of 1.25 % to total fatty acid and is the major isomer of CLA in milk.
出处 《乳业科学与技术》 2011年第2期79-81,共3页 JOURNAL OF DAIRY SCIENCE AND TECHNOLOGY
基金 河南省教育厅自然科学研究项目(2010A23006) 河南省科技成果转化项目(082201140002)
关键词 共轭亚油酸 气相色谱 异构体 CLA, GC, isomer
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