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Salmonids as Natural Functional Food Rich in Omega-3 PUFA

Faculty of Health Sciences, Medical University of Lublin, 20-400 Lublin, Poland
Academic Editors: Monica Gallo and Anna Lante
Appl. Sci. 2021, 11(5), 2409; https://doi.org/10.3390/app11052409
Received: 11 February 2021 / Revised: 24 February 2021 / Accepted: 6 March 2021 / Published: 9 March 2021
(This article belongs to the Special Issue Functional Foods in Disease Prevention and Health Promotion)
Salmonids are valuable fish in the human diet due to their high content of bioactive omega-3 very long-chain polyunsaturated fatty acid (VLC PUFA). The aim of this study was to assess the omega-3 VLC PUFA content in selected salmonid fish present on the food market regarding whether they were farm-raised or wild. It was assumed that farm-raised fish, by eating well-balanced feed enriched with omega-3 PUFA, might contain omega-3 VLC PUFA in levels similar to that of wild fish. Fat content, fatty acid composition and omega-3 VLC PUFA content in fish fillets were measured. Farm-raised salmon from Norway, wild Baltic salmon, farm-raised rainbow trout and brown trout were bought from a food market whereas wild trout (rainbow and brown) were caught alive. The fat content in fish ranged from 3.3 to 8.0 g/100 g of fillet. It was confirmed that although wild salmonid fish contain 10–25% more omega-3 VLC PUFA in lipid fraction, the farm-raised ones, due to the 60–100% higher fat content, are an equally rich source of these desirable fatty acids in the human diet. One serving (130 g) of salmonid fish fillets might provide a significant dose of omega-3 VLC PUFA, from 1.2 to 2.5 g. Thus, due to very high content of bioactive fatty acids eicosapentaenoic (EPA), docosapentaenoic (DPA) and docosahexaenoic (DHA) in their meat, salmonid fish currently present on the food market, both sea and freshwater as well as wild and farm-raised, should be considered as natural functional food. View Full-Text
Keywords: functional food; omega-3 VLC PUFA; salmon; trout functional food; omega-3 VLC PUFA; salmon; trout
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MDPI and ACS Style

Kolanowski, W. Salmonids as Natural Functional Food Rich in Omega-3 PUFA. Appl. Sci. 2021, 11, 2409. https://doi.org/10.3390/app11052409

AMA Style

Kolanowski W. Salmonids as Natural Functional Food Rich in Omega-3 PUFA. Applied Sciences. 2021; 11(5):2409. https://doi.org/10.3390/app11052409

Chicago/Turabian Style

Kolanowski, Wojciech. 2021. "Salmonids as Natural Functional Food Rich in Omega-3 PUFA" Applied Sciences 11, no. 5: 2409. https://doi.org/10.3390/app11052409

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