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    Comparison of Fatty Acid Contents in Major Lipid Classes of Seven Salmonid Species from Siberian Arctic Lakes / N. N. Sushchik, O. N. Makhutova, A. E. Rudchenko [et al.] // Biomolecules. - 2020. - Vol. 10, Is. 3. - Ст. 419, DOI 10.3390/biom10030419. - Cited References:60. - This research was funded by the Russian Science Foundation, grant number 16-14-10001. . - ISSN 2218-273X
РУБ Biochemistry & Molecular Biology
Рубрики:
LONG-CHAIN
   FISH

   QUALITY

   OMEGA-3

   MARINE

   WILD

   TISSUE

   FOOD

Кл.слова (ненормированные):
arctic -- Salmoniformes -- long-chain polyunsaturated fatty acids -- polar -- lipids -- triacylglycerols -- eicosapentaenoic acid -- docosahexaenoic acid
Аннотация: Long-chain omega-3 polyunsaturated fatty acids (LC-PUFA) essential for human nutrition are mostly obtained from wild-caught fish. To sustain the LC-PUFA supply from natural populations, one needs to know how environmental and intrinsic factors affect fish fatty acid (FA) profiles and contents. We studied seven Salmoniformes species from two arctic lakes. We aimed to estimate differences in the FA composition of total lipids and two major lipid classes, polar lipids (PL) and triacylglycerols (TAG), among the species and to evaluate LC-PUFA contents corresponding to PL and TAG in muscles. Fatty acid profiles of PL and TAG in all species were characterized by the prevalence of omega-3 LC-PUFA and C16-C18 monoenoic FA, respectively. Fish with similar feeding spectra were identified similarly in multivariate analyses of total lipids, TAG and PL, due to differences in levels of mostly the same FA. Thus, the suitability of both TAG and total lipids for the identification of the feeding spectra of fish was confirmed. All species had similar content of LC-PUFA esterified as PL, 1.9-3.5 mg g(-1), while the content of the TAG form strongly varied, from 0.9 to 9.8 mg g(-1). The LC-PUFA-rich fish species accumulated these valuable compounds predominately in the TAG form.

WOS
Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys,Siberian Branch, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Ave 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Sushchik, Nadezhda N.; Makhutova, Olesia N.; Rudchenko, Anastasia E.; Glushchenko, Larisa A.; Shulepina, Svetlana P.; Kolmakova, Anzhelika A.; Gladyshev, Michail I.; Makhutova, Olesia; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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