The composition of fatty acids in muscles of six freshwater fish species from the Mazurian Great Lakes (Northeastern Poland)
2008
Luczynska, J.,University of Warmia and Mazury, Olsztyn (Poland). Dept. of Commodity Science and Food Analysis | Borejszo, Z. | Luczynski, M.J.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Aquaculture
Lipid content and fatty acids composition of non-predatory fish: roach, Rutilus rutilus (L.), bream, Abramis brama (L.), vendace, Coregonus albula (L.), and of predatory fish: Eurasian perch, Perca fluviatilis L., pike, Esox lucius L. and burbot, Lota lota (L.) were examined. These fish were caught from three lakes of Mazurian Great Lakes (Kisajno, Dargin, Niegocin) in Poland. The content of total lipid and some fatty acids varied widely within and among species. Generally, the lipid content was low (0.56-2.78 percent). Among the saturated and monounsaturated fatty acids, the predominant fatty acids were palmitic C16:0 (19.24-33.44 percent), stearic C18:0 (4.37-6.87 percent), palmitoleic C16:1 (4.51-12.93 percent), and oleic C18:1 n-9 (6.85-14.49 percent). Arachidonic C20:4 n-6 (3.17-6.55 percent), eicosapentaenoic C20:5 n-3 (4.14-8.91 percent), and docosahexaenoic C22:6 n-3 (5.91-24.67 percent) acids were the most abundant polyunsaturated fatty acids. In the case of all the freshwater fish, with the exception of bream, higher contents of saturated fatty acids than monounsaturated fatty acids were noted
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