GC-MS Analysis of Muscle Fatty Acid Composition of Oula Sheep Living in Qinghai Province

doi:10.7506/spkx1002-6630-201206041

FOOD SCIENCE ›› 2012, Vol. 33 ›› Issue (6): 190-193.doi: 10.7506/spkx1002-6630-201206041

• Analysis & Detection • Previous Articles Next Articles

GC-MS Analysis of Muscle Fatty Acid Composition of Oula Sheep Living in Qinghai Province

PI Li1,2,3，HU Feng-zu1，XING Yu-xiu1,2，DENG Li1,2,3，ZHOU Tong-yong1,2,3，HAN Fa1,3,*

(1. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China； 2. Graduate University, Chinese Academy of Sciences, Beijing 100049, China； 3. Key Laboratory of Adaptation and Evolution of Plateau Biota, Chinese Academy of Sciences, Xining 810008, China)

Online:2012-03-25 Published:2012-03-03

Abstract

Abstract: The fatty acid composition of longissimus dorsi in Oula sheep living in Qinghai province was analyzed by GC-MS after methyl esterification and compared with that of Tibetan sheep and Small Tail Han sheep. A total of 17 fatty acids were identified in the muscle of Oula sheep, mainly consisting of stearic acid (22.33%), palmitate acid (25 91%), oleic acid (39.32%) and linoenic acid (1.87%). Saturated, monounsaturated and polyunsaturated fatty acids accounted for 51.62%, 42.41% and 5.34% of the total fatty acids, respectively. Oula sheep showed no remarkable differences in unsaturated fatty acid content when compared with Tibetan sheep, but was higher than mall-tail Han sheep.

Key words: Oula sheep, Tibetan sheep, fatty acid, longissimus dorsi, gas chromatography-mass spectrometry (GC-MS)

CLC Number:

TS225.2

PILi，HUFeng-zu，XINGYu-xiu，DENGLi，ZHOUTong-yong，HANFa,. GC-MS Analysis of Muscle Fatty Acid Composition of Oula Sheep Living in Qinghai Province[J]. FOOD SCIENCE, 2012, 33(6): 190-193.

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GC-MS Analysis of Muscle Fatty Acid Composition of Oula Sheep Living in Qinghai Province

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