Fatty-acid composition of the lipids of coregonids of the Ob basin
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The fatty acid compositions of the lipids of the muscles of the back and of the abdomen of a pelyad from the lakes of the Ob basin have been studied by gas-liquid chromatography; 29 acids have been detected of which 27 have been identified. It has been established that the lipids of the muscles of the back of the pelyad contain 37.2% of polyunsaturated and 37.3% of monoenoic acids the main components of which are oleic, palmitic, palmitoleic, octadecatetraenoic, and eicosapentaenoic acids, amounting in total to 65%. The lipids of the muscles of the pelyad are unique among lipids of fresh-water fish in their content of tri- and tetraenoic acids. As compared with the usual composition, the neutral lipids are characterized by higher amounts of monoenoic and lower amounts of polyenoic acids.
KeywordsFatty Acid Composition Total Lipid Neutral Lipid Vanillin Eicosapentaenoic Acid
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