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KMID : 1160620060110030253
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Preventive Nutrition and Food Science
2006 Volume.11 No. 3 p.253 ~ p.256
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Gas Chromatographic Method for Analysis of Fatty Acids in Milk Fat with a Single Injection
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Hwang Keum-Taek
Shin Min-Kyeong
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Abstract
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The purpose of this study was to develop a gas chromatographic (GC) method to analyze fatty acids in milk fat with a single injection. The single-injection GC method we developed for analyzing fatty acid composition can separate a wide range of fatty acid methyl esters from butyric acid to docosahexaenoic acid. It separated 6 isomers of 18:1 (cis-6, cis-9, cis-11, trans-6, trans-9 and trans-11), 4 isomers of 18:2 (cis-9-cis-12, trans-9-trans-12, cis-9-trans-12 and trans-9-cis-12), and 4 isomers of conjugated 18:2 (cis-9- trans-11, trans-9-cis-11, cis-10-trans-12 and trans-10-cis-12).
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KEYWORD
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conjugated linoleic acid, fatty acids, GC, milk fat, trans-fatty acid
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