Analysis of fatty acid composition and mass spectrometry characterization of polyunsaturated fatty acids in Euphausua superba 
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College of Food Science and Engineering, Ocean University of China

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S91

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    Abstract:

    bygaschromatography/massspectrometry(GC/MS)using10%HOHasthemethylesterificationsolvent.WeanalyzedthecleavagerulesandmassspectrometrycharacterizationofpolyunsaturatedfattyacidsusingtheGC/MSstandardmassspectrometrydatabaseindexandtheregularpatternsoforganicspectrometry.Wedevelopedanovelmethodtoestimatethecarbon-atomnumberanddouble-bondnumberusingcharacteristicionsandthepositionofdouble-bondsinthecarbonylgroupandthemethylendusingtheions,respectively.Weidentified27fattyacidsinthetotallipidextractof,including13polyunsaturatedfattyacids.ThetotalcontentofEPAandDHAwas40.64%,whichishigherthanlevelsgenerallyfoundinmarinefishesandshrimps.Thus,ourdatasuggestthat

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楼乔明,王玉明,刘小芳,李国云,薛长湖,李红艳. 南极磷虾脂肪酸组成及多不饱和脂肪酸质谱特征分析[J]. Jounal of Fishery Sciences of China, 2011,[volume_no](4):929-935

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  • Online: August 16,2011
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