Correlated changes in skeletal muscle connective tissue and flesh texture during starvation and re‐feeding in brown trout (Salmo trutta) reared in seawater
Identifieur interne : 001150 ( Main/Merge ); précédent : 001149; suivant : 001151Correlated changes in skeletal muscle connective tissue and flesh texture during starvation and re‐feeding in brown trout (Salmo trutta) reared in seawater
Auteurs : Jérôme Bugeon [France] ; Florence Lefèvre [France] ; Benoit Fauconneau [France]Source :
- Journal of the Science of Food and Agriculture [ 0022-5142 ] ; 2004-08-30.
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Abstract
Quantitative and qualitative changes to muscle and collagen were analysed following starvation and re‐feeding of brown trout (Salmo trutta) reared in seawater. Fish were submitted to starvation for 2 months followed by re‐feeding for 1 month and compared with a control group continuously fed. Classical effects of starvation on growth and morphometrics traits were observed with only a partial recovery of these parameters after 1 month of re‐feeding. Muscle composition of starved fish was significantly affected (lower dry matter content and higher post‐mortem pH) compared with control fish and was partially recovered in re‐fed fish compared with continuously fed fish. Muscle structure and composition were affected with thinner muscle fibre and higher connective tissue content for the starved fish but similar thickness of myosepta compared with the control group. No difference was observed after 1 month of re‐feeding. Characteristics of the connective tissue were significantly affected by starvation (more high weight molecular collagen form, higher thermal stability of skin collagen). These differences remained significant after the re‐feeding period. Starved fish showed also higher mechanical resistance of the raw flesh compared with the control group, but no difference in rheological measurements was observed after 1 month of re‐feeding. The changes in texture and their relationships with muscle composition, muscle structure and collagen characteristics are discussed. Copyright © 2004 Society of Chemical Industry
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DOI: 10.1002/jsfa.1837
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Correlated changes in skeletal muscle connective tissue and flesh texture during starvation and re‐feeding in brown trout (Salmo trutta) reared in seawater</title><author><name sortKey="Bugeon, Jerome" sort="Bugeon, Jerome" uniqKey="Bugeon J" first="Jérôme" last="Bugeon">Jérôme Bugeon</name></author><author><name sortKey="Lefevre, Florence" sort="Lefevre, Florence" uniqKey="Lefevre F" first="Florence" last="Lefèvre">Florence Lefèvre</name></author><author><name sortKey="Fauconneau, Benoit" sort="Fauconneau, Benoit" uniqKey="Fauconneau B" first="Benoit" last="Fauconneau">Benoit Fauconneau</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:49A645D5573262466CF1CF71A83107CAB1319D08</idno><date when="2004" year="2004">2004</date><idno type="doi">10.1002/jsfa.1837</idno><idno type="url">https://api.istex.fr/document/49A645D5573262466CF1CF71A83107CAB1319D08/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001082</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001082</idno><idno type="wicri:Area/Istex/Curation">001080</idno><idno type="wicri:Area/Istex/Checkpoint">000961</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000961</idno><idno type="wicri:doubleKey">0022-5142:2004:Bugeon J:correlated:changes:in</idno><idno type="wicri:Area/Main/Merge">001150</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Correlated changes in skeletal muscle connective tissue and flesh texture during starvation and re‐feeding in brown trout (Salmo trutta) reared in seawater</title><author><name sortKey="Bugeon, Jerome" sort="Bugeon, Jerome" uniqKey="Bugeon J" first="Jérôme" last="Bugeon">Jérôme Bugeon</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Equipe croissance et qualité de la chair des poissons, SCRIBE INRA, Campus de Beaulieu, 35042 Rennes cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Rennes</settlement></placeName></affiliation><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>SCRIBE INRA Campus de Beaulieu, 35042 Rennes cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Rennes</settlement></placeName></affiliation></author><author><name sortKey="Lefevre, Florence" sort="Lefevre, Florence" uniqKey="Lefevre F" first="Florence" last="Lefèvre">Florence Lefèvre</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Equipe croissance et qualité de la chair des poissons, SCRIBE INRA, Campus de Beaulieu, 35042 Rennes cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Rennes</settlement></placeName></affiliation></author><author><name sortKey="Fauconneau, Benoit" sort="Fauconneau, Benoit" uniqKey="Fauconneau B" first="Benoit" last="Fauconneau">Benoit Fauconneau</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Equipe croissance et qualité de la chair des poissons, SCRIBE INRA, Campus de Beaulieu, 35042 Rennes cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Rennes</settlement></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of the Science of Food and Agriculture</title><title level="j" type="abbrev">J. 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Fish were submitted to starvation for 2 months followed by re‐feeding for 1 month and compared with a control group continuously fed. Classical effects of starvation on growth and morphometrics traits were observed with only a partial recovery of these parameters after 1 month of re‐feeding. Muscle composition of starved fish was significantly affected (lower dry matter content and higher post‐mortem pH) compared with control fish and was partially recovered in re‐fed fish compared with continuously fed fish. Muscle structure and composition were affected with thinner muscle fibre and higher connective tissue content for the starved fish but similar thickness of myosepta compared with the control group. No difference was observed after 1 month of re‐feeding. Characteristics of the connective tissue were significantly affected by starvation (more high weight molecular collagen form, higher thermal stability of skin collagen). These differences remained significant after the re‐feeding period. Starved fish showed also higher mechanical resistance of the raw flesh compared with the control group, but no difference in rheological measurements was observed after 1 month of re‐feeding. The changes in texture and their relationships with muscle composition, muscle structure and collagen characteristics are discussed. Copyright © 2004 Society of Chemical Industry</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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