Publisert 2007

Les på engelsk

Publikasjonsdetaljer

Tidsskrift : Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology , vol. 146 , p. 395–401 , 2007

Utgiver : Elsevier

Internasjonale standardnummer :
Trykt : 1096-4959
Elektronisk : 1879-1107

Publikasjonstype : Vitenskapelig artikkel

Bidragsytere : Toppe, Jogeir; Albrektsen, Sissel; Hope, Britt; Aksnes, Anders

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Kjetil Aune
Bibliotekleder
kjetil.aune@nofima.no

Sammendrag

The chemical composition, content of minerals and the profiles of amino acids and fatty acids were analyzed in fish bones from eight different species of fish. Fish bones varied significantly in chemical composition. The main difference was lipid content ranging from 23 g/kg in cod (Gadus morhua) to 509 g/kg in mackerel (Scomber scombrus). In general fatty fish species showed higher lipid levels in the bones compared to lean fish species. Similarly, lower levels of protein and ash were observed in bones from fatty fish species. Protein levels differed from 363 g/kg lipid free dry matter (dm) to 568 g/kg lipid free dm with a concomitant inverse difference in ash content. Ash to protein ratio differed from 0.78 to 1.71 with the lowest level in fish that naturally have highest swimming and physical activity. Saithe (Pollachius virens) and salmon (Salmo salar) were found to be significantly different in the levels of lipid, protein and ash, and ash/protein ratio in the bones. Only small differences were observed in the level of amino acids although species specific differences were observed. The levels of Ca and P in lipid free fish bones were about the same in all species analyzed. Fatty acid profile differed in relation to total lipid levels in the fish bones, but some minor differences between fish species were observed. © 2006 Elsevier Inc. All rights reserved.

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