Identification of Fatty Acid Composition and δ5-unsaturated Fatty Acids in Pinus armandii Kernel

doi:10.7506/spkx1002-6630-201120034

Abstract

Abstract: Shimadzu 2010 gas chromatograph equipped with DB-WAX capillary column, 37 fatty acid standards and the equivalent chain length (ECL) method were used to identify the fatty acid composition and δ5-unsaturated fatty acids in Pinus armandii kernel. The results indicated that Pinus armandii kernel abundantly contained unsaturated fatty acid (92.83%), mainly linoleic acid (46.12%) and oleic acid (22.68%). Moreover, large amounts of δ5-unsaturated fatty acids were also contained, mainly pinolenic acid (16.11%). The ECL method was found to enable effective identification of δ5-unsaturated fatty acids in Pinus armandii kernel.

Key words: Pinus armandii, pine kernel, δ5-unsaturated fatty acid, equivalent chain length (ECL), gas chromatography

CLC Number:

Q547

WANGBo，LIYao，QINGong-wei，LIXin-sheng，CAOXiao-yong. Identification of Fatty Acid Composition and δ5-unsaturated Fatty Acids in Pinus armandii Kernel[J]. FOOD SCIENCE, 2011, 32(20): 164-166.

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Identification of Fatty Acid Composition and δ5-unsaturated Fatty Acids in Pinus armandii Kernel

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