Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition
Identifieur interne : 001B86 ( Main/Merge ); précédent : 001B85; suivant : 001B87Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition
Auteurs : I-C. Chen ; F. A. Chapman [États-Unis] ; C-L Wei ; K. M. Portier ; Sf. O'KeefeSource :
- Journal of Food Science [ 0022-1147 ] ; 1995-05.
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Abstract
Sturgeon species have attracted interest for aquaculture due to high value of the flesh, caviar and wild stock depletion. Lipid was extracted from sturgeon muscle using the Bligh and Dyer procedure. Fatty acids from total lipid were methylated using boron‐trifluoride in methanol. Fatty acid methyl esters were analyzed by gas chromatography as weight %. The fatty acid profiles of lipids were different between cultured and wild sturgeon. Wild sturgeon had higher levels of 16:0, 16:1ω7, 18:1ω9, 22: 4ω6 and 22:5ω6. Cultured fish had higher levels of 18:2ω6, C20 and C22 monoenes, 20:5ω3 and 22:6ω3. Stepwise discriminant analysis (SDA) was used to develop a mathematical model to distinguish the two populations; the levels of 16:2ω6, 22:5ω6 and phytanic acid accurately identified the two fish populations.
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DOI: 10.1111/j.1365-2621.1995.tb09844.x
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Lipid was extracted from sturgeon muscle using the Bligh and Dyer procedure. Fatty acids from total lipid were methylated using boron‐trifluoride in methanol. Fatty acid methyl esters were analyzed by gas chromatography as weight %. The fatty acid profiles of lipids were different between cultured and wild sturgeon. Wild sturgeon had higher levels of 16:0, 16:1ω7, 18:1ω9, 22: 4ω6 and 22:5ω6. Cultured fish had higher levels of 18:2ω6, C20 and C22 monoenes, 20:5ω3 and 22:6ω3. Stepwise discriminant analysis (SDA) was used to develop a mathematical model to distinguish the two populations; the levels of 16:2ω6, 22:5ω6 and phytanic acid accurately identified the two fish populations.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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