Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition
Identifieur interne : 000755 ( Istex/Corpus ); précédent : 000754; suivant : 000756Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition
Auteurs : I-C. Chen ; F. A. Chapman ; C-L Wei ; K. M. Portier ; Sf. O'KeefeSource :
- Journal of Food Science [ 0022-1147 ] ; 1995-05.
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- KwdEn :
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><istex><corpusName>wiley</corpusName><author><json:item><name>I‐C. CHEN</name><affiliations><json:string>Author Chen, Wei and O'Keefe are with the Dept. of Food Science & Human Nutrition.</json:string></affiliations></json:item><json:item><name>F.A. 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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. 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Address inquiries to Dr. S.F. O'Keefe.</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">sturgeon</keyword><keyword xml:id="k2">fish</keyword><keyword xml:id="k3">fatty acid</keyword><keyword xml:id="k4">differentiation</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">ABSTRACT</title><p>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.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="n-fnt-1" numbered="no"><p>Florida Agricultural Experiment Station Journal Series No. R‐04271.</p></note><note xml:id="n-fnt-2" numbered="no"><p>Presented at the Annual Meeting of the Institute of Food Technologists, Atlanta, GA, June 1994.</p></note><note xml:id="n-fnt-3" numbered="no"><p>This work was supported by a grant from the National Marine Fisheries Service, Saltonstall‐Kennedy program and the Florida Agriculture Experiment Station. Fred Tatman and Steve Can of the Phipps Florida Foundation gave invaluable help with procurement of wild fish samples.</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Differentiation of Cultured and Wild Sturgeon (Acipenser oxyrinchus desotoi) Based on Fatty Acid Composition</title></titleInfo><name type="personal"><namePart type="given">I‐C.</namePart><namePart type="family">CHEN</namePart><affiliation>Author Chen, Wei and O'Keefe are with the Dept. of Food Science & Human Nutrition.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">F.A.</namePart><namePart type="family">CHAPMAN</namePart><affiliation>Author Chapman is with the Dept. of Fisheries & Aquatic Sciences, and Author Portier is with the Dept. of Statistics, Institute of Food & Agricultural Sciences, Univ. of Florida, Gainesville, FL 32611–0163. 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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.</abstract><subject lang="en"><genre>keywords</genre><topic>sturgeon</topic><topic>fish</topic><topic>fatty acid</topic><topic>differentiation</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Food Science</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0022-1147</identifier><identifier type="eISSN">1750-3841</identifier><identifier type="DOI">10.1111/(ISSN)1750-3841</identifier><identifier type="PublisherID">JFDS</identifier><part><date>1995</date><detail type="volume"><caption>vol.</caption><number>60</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>631</start><end>635</end><total>5</total></extent></part></relatedItem><identifier type="istex">3A1F6D439F49FC3D15665F02AA42B565AB9F84B7</identifier><identifier type="DOI">10.1111/j.1365-2621.1995.tb09844.x</identifier><identifier type="ArticleID">JFDS631</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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