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Fatty acid and proximate composition of bluefin tuna (Thunnus thynnus) muscle with regard to plasma lipids

Topić Popović, Natalija; Kozačinski, Lidija; Strunjak-Perović, Ivančica; Čož-Rakovac, Rozelinda; Jadan, Margita; Cvrtila Fleck, Željka; Barišić, Josip (2012) Fatty acid and proximate composition of bluefin tuna (Thunnus thynnus) muscle with regard to plasma lipids. Aquaculture Research, 43 (5). pp. 722-729. ISSN 1355-557X

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The composition of tail muscle fatty acids from wild and cultured bluefin tuna reared on a diet based on herring and sardine, along with the plasma lipid profile of the farmed individuals, was determined. The total lipid content of farmed bluefin in this study was 0.922 g/100 g, or 3.49 g of SAFA, 4.48 g of MUFA, 2.58 g PUFA n-3, and 0.37 g of PUFA n-6 fatty acids ; for wild specimens it was 0.920 g/100 g, or 2.85 g of SAFA, 4.82 g of MUFA, 2.78 g PUFA n-3, and 0.27 g of PUFA n-6 fatty acids. Major fatty acids in this study were 16:0 ; 16:1, n-7 ; 18:1, n-9 and DHA 22:6, n-3 acids. The sum of these major components accounted for more than 57 % and 80 % of the total fatty acids in all samples of farmed and wild tuna, respectively. No significant differences in proximate composition were demonstrated between farmed and wild samples, except for energy value, in favor of the farmed tuna. Statistically, GLU tends to increase together with CHOL and TRIG, since for these pairs it showed positive correlation coefficients and P > 0.05. Some measured tuna metabolites demonstrated strong mutual correlations, especially GLU, CHOL and TRIG, which are crucial factors in lipid profile of animals.

Item Type: Article
Uncontrolled Keywords: bluefin tuna; fatty acids; plasma lipids; proximate composition
Subjects: BIOMEDICINE AND HEALTHCARE > Veterinary Medicine
Divisions: Division of Materials Chemistry
Project titleProject leaderProject codeProject type
Substanična biokemijska i filogenetska raznolikost tkiva riba, rakova i školjaka-Rozelinda Čož-Rakovac098-1782739-2749MZOS
Mikrobiološka ispravnost i održivost namirnica animalnog podrijetla-Lidija Kozačinski053-0531854-1853MZOS
Depositing User: Natalija Topić Popović
Date Deposited: 07 Dec 2017 12:47
DOI: 10.1111/j.1365-2109.2011.02880.x

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