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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944The Establish of Four Kinds of Chinese Primary...

The Establish of Four Kinds of Chinese Primary Economic Crab Species Fatty Acid Fingerprints

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Abstract:

In order to establish our common economic crabs fatty acid fingerprints, the total lipid and phospholipid fatty acid composition of our common economic crabs were determined and analyzed by GC-MS. The results show that: the highest proportion of Eriocheir sinensis is monounsaturated fatty acid (MUFA), while the highest proportion of the other three crab is polyunsaturated fatty acid (PUFA). The percentage of EPA+DHA in Total fat of four kinds of crab is between 7.58%~36.82% .The ratio of EPA and DHA of three kinds of sea crab is higher than it in Eriocheir sinensis. Through the comparative analysis of the fatty acid composition of the total lipid and the phospholipids, we identified seven characteristic fat acids of the four species of crabs.They are C16:0, C18:1n-9, C18:2n-6, C18:3n-3, C20:5n-3, C22:6n-3,and PUFA(PL). Chemical information of four kinds of crabs in lipid composition can be mastered through fatty acids fingerprints of four kinds of crabs which used seven kinds of characteristic fatty acid as index.

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Materials and Processes Technologies V

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

1083-1091

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.1083

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Online since:

June 2014

Authors:

Xiao Yu Lu, Qiang Qiu, Shun Sheng Chen

Keywords:

Crab, Fatty Acid, Fingerprints

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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