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Гладышев, Михаил Иванович
Сущик, Надежда Николаевна
Толомеев, Александр Павлович
Дгебуадзе, Юрий Юлианович
2019-07-01T07:29:20Z
2019-07-01T07:29:20Z
2018-04
Гладышев, Михаил Иванович. Meta-analysis of factors associated with omega-3 fatty acid contents of wild fish [Текст] / Михаил Иванович Гладышев, Надежда Николаевна Сущик, Александр Павлович Толомеев, Юрий Юлианович Дгебуадзе // Reviews in Fish Biology and Fisheries. — 2018. — Т. 28. — С. 277-299
09603166
https://link.springer.com/article/10.1007/s11160-017-9511-0
http://elib.sfu-kras.ru/handle/2311/111341
Fish are recognized as the main source of physiologically important omega-3 long-chain polyunsaturated fatty acids, namely, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), for human nutrition. However, muscle tissue contents of these fatty acids in diverse fish species, i.e., their nutritive value for humans, varied within two orders of magnitude. We reviewed contents of EPA and DHA, measured by similar methods using an internal standard during chromatography as mg per g of wet mass in 172 fish species belonging to 16 orders, to evaluate probable variations in phylogenetic and ecological drivers. EPA ? DHA content varied from 25.6 mg g-1 of wet mass (Sardinops sagax) to 0.12 mg g-1 (Gymnura spp.). Multidimensional redundancy analysis revealed that among phylogenetic, ecomorphological and abiotic environmental factors, the highest proportion of variation contribution belonged to the shared contribution of sets of phylogenetic and ecomorphological factors. Specifically, the highest values of EPA ? DHA content were characteristic of fish belonging to the orders Clupeiformes or Salmoniformes, were pelagic fast swimmers, ate zooplankton and inhabited marine waters or migrated from fresh to marine waters (anadromous migrations). High EPA and DHA content in muscle tissues of the above species appeared to be a metabolic adaptation for fast continuous swimming. In contrast to common beliefs, our meta-analysis did not support the significant influence of higher trophic levels (piscivory) and cold environments (homeoviscous adaptation) on EPA and DHA content in fish. However, many causes of high and low levels of physiologically important fatty acids in certain fish species remained unexplained and require evaluation in future studies.
Docosahexaenoic acid
Ecomorphological factors
Eicosapentaenoic acid
Nutritive value
Phylogenetic factors
Meta-analysis of factors associated with omega-3 fatty acid contents of wild fish
Journal Article
Journal Article Preprint
277-299
34.35.33
2019-07-01T07:29:20Z
10.1007/s11160-017-9511-0
Институт фундаментальной биологии и биотехнологии
Кафедра водных и наземных экосистем
Reviews in Fish Biology and Fisheries
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