Enrichment of African catfish with functional selenium originating from garlic
Identifieur interne : 000E51 ( Istex/Corpus ); précédent : 000E50; suivant : 000E52Enrichment of African catfish with functional selenium originating from garlic
Auteurs : Edward Schram ; Zoyne Pedrero ; Carmen Cámara ; Jan W. Van Der Heul ; Joop B. LutenSource :
- Aquaculture Research [ 1355-557X ] ; 2008-06.
English descriptors
- KwdEn :
Abstract
We wanted to create functional seafood with high concentrations of organic selenium (seleno‐methyl‐selenocysteine and γ‐glutamyl‐seleno‐methyl‐selenocysteine) with anti‐carcinogenic properties for human consumers. Garlic containing high concentrations of these organic selenium compounds was used as a selenium source in five experimental feeds for African catfish (1.9, 2.8, 3.9, 5.1 and 8.5 mg kg−1 Se); a sixth experimental feed was formulated without garlic (1.9 mg kg−1 Se). The experimental feeds were fed to African catfish [initial mean (SD) weight 100.7 (2.7) g] for 43 days with three replicates per treatment. Whole fish fillets were sampled for total selenium analysis (start and end) and selenium speciation (end). We found a positive linear relationship between dietary and fillet concentrations for total selenium and selenomethionine. The dietary total selenium concentration of 8.5 mg kg−1 resulted in a total selenium concentration of 0.9 mg kg−1 in the fillet (wet tissue). The majority of the selenium compounds recovered in an extract made from the fillet consisted of selenomethionine, considered to be important from a nutritional point of view. Seleno‐methyl‐selenocysteine, one of the organic selenium species to which superior anti‐carcinogenic properties are attributed, was detected in the fillet but could not be quantified.
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DOI: 10.1111/j.1365-2109.2008.01938.x
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ISTEX:EDFC66A8E7E6DAD6B732EB18CB911BF847AF7E07Le document en format XML
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Garlic containing high concentrations of these organic selenium compounds was used as a selenium source in five experimental feeds for African catfish (1.9, 2.8, 3.9, 5.1 and 8.5 mg kg−1 Se); a sixth experimental feed was formulated without garlic (1.9 mg kg−1 Se). The experimental feeds were fed to African catfish [initial mean (SD) weight 100.7 (2.7) g] for 43 days with three replicates per treatment. Whole fish fillets were sampled for total selenium analysis (start and end) and selenium speciation (end). We found a positive linear relationship between dietary and fillet concentrations for total selenium and selenomethionine. The dietary total selenium concentration of 8.5 mg kg−1 resulted in a total selenium concentration of 0.9 mg kg−1 in the fillet (wet tissue). The majority of the selenium compounds recovered in an extract made from the fillet consisted of selenomethionine, considered to be important from a nutritional point of view. 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Garlic containing high concentrations of these organic selenium compounds was used as a selenium source in five experimental feeds for African catfish (1.9, 2.8, 3.9, 5.1 and 8.5 mg kg−1 Se); a sixth experimental feed was formulated without garlic (1.9 mg kg−1 Se). The experimental feeds were fed to African catfish [initial mean (SD) weight 100.7 (2.7) g] for 43 days with three replicates per treatment. Whole fish fillets were sampled for total selenium analysis (start and end) and selenium speciation (end). We found a positive linear relationship between dietary and fillet concentrations for total selenium and selenomethionine. The dietary total selenium concentration of 8.5 mg kg−1 resulted in a total selenium concentration of 0.9 mg kg−1 in the fillet (wet tissue). The majority of the selenium compounds recovered in an extract made from the fillet consisted of selenomethionine, considered to be important from a nutritional point of view. Seleno‐methyl‐selenocysteine, one of the organic selenium species to which superior anti‐carcinogenic properties are attributed, was detected in the fillet but could not be quantified.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>functional food</term></item><item><term>selenium</term></item><item><term>aquaculture</term></item><item><term>African catfish</term></item><item><term>Clarias gariepinus (Burchell)</term></item><item><term>garlic</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2008-06">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/EDFC66A8E7E6DAD6B732EB18CB911BF847AF7E07/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2109</doi><issn type="print">1355-557X</issn><issn type="electronic">1365-2109</issn><idGroup><id type="product" value="ARE"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="AQUACULTURE RESEARCH">Aquaculture Research</title></titleGroup></publicationMeta><publicationMeta level="part" position="06008"><doi origin="wiley">10.1111/are.2008.39.issue-8</doi><numberingGroup><numbering type="journalVolume" number="39">39</numbering><numbering type="journalIssue" number="8">8</numbering></numberingGroup><coverDate startDate="2008-06">June 2008</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="7" status="forIssue"><doi origin="wiley">10.1111/j.1365-2109.2008.01938.x</doi><idGroup><id type="unit" value="ARE1938"></id><id type="supplier" value="1938"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="tocHeading1">Original articles</title></titleGroup><copyright>© 2008 The Authors. Journal Compilation © 2008 Blackwell Publishing Ltd</copyright><eventGroup><event type="firstOnline" date="2008-04-06"></event><event type="publishedOnlineFinalForm" date="2008-04-09"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:FullText result:FullText" date="2010-03-16"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-06"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-15"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="850">850</numbering><numbering type="pageLast" number="860">860</numbering></numberingGroup><correspondenceTo><b>Correspondence:</b> E Schram, Wageningen IMARES, PO box 68, 1970 AB IJmuiden, The Netherlands. E‐mail: <email normalForm="edward.schram@wur.nl">edward.schram@wur.nl</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:ARE.ARE1938.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="4"></count><count type="tableTotal" number="5"></count><count type="formulaTotal" number="3"></count><count type="referenceTotal" number="27"></count><count type="wordTotal" number="7231"></count><count type="linksCrossRef" number="75"></count></countGroup><titleGroup><title type="main">Enrichment of African catfish with functional selenium originating from garlic</title><title type="shortAuthors">E Schram <i>et al.</i></title><title type="short">Functional selenium enrichment of African catfish</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>Edward</givenNames><familyName>Schram</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2"><personName><givenNames>Zoyne</givenNames><familyName>Pedrero</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a2"><personName><givenNames>Carmen</givenNames><familyName>Cámara</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a1"><personName><givenNames>Jan W</givenNames><familyName>Van Der Heul</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a1 #a3"><personName><givenNames>Joop B</givenNames><familyName>Luten</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="NL"><unparsedAffiliation>Wageningen IMARES, IJmuiden, The Netherlands</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="ES"><unparsedAffiliation>Analytical Chemistry Department Chemistry Faculty, Complutense University of Madrid, Madrid, Spain</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="NO"><unparsedAffiliation>Nofima Marine, Tromsø, Norway</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">functional food</keyword><keyword xml:id="k2">selenium</keyword><keyword xml:id="k3">aquaculture</keyword><keyword xml:id="k4">African catfish</keyword><keyword xml:id="k5"><i>Clarias gariepinus</i> (Burchell)</keyword><keyword xml:id="k6">garlic</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>We wanted to create functional seafood with high concentrations of organic selenium (seleno‐methyl‐selenocysteine and γ‐glutamyl‐seleno‐methyl‐selenocysteine) with anti‐carcinogenic properties for human consumers. Garlic containing high concentrations of these organic selenium compounds was used as a selenium source in five experimental feeds for African catfish (1.9, 2.8, 3.9, 5.1 and 8.5 mg kg<sup>−1</sup> Se); a sixth experimental feed was formulated without garlic (1.9 mg kg<sup>−1</sup> Se). The experimental feeds were fed to African catfish [initial mean (SD) weight 100.7 (2.7) g] for 43 days with three replicates per treatment. Whole fish fillets were sampled for total selenium analysis (start and end) and selenium speciation (end). We found a positive linear relationship between dietary and fillet concentrations for total selenium and selenomethionine. The dietary total selenium concentration of 8.5 mg kg<sup>−1</sup> resulted in a total selenium concentration of 0.9 mg kg<sup>−1</sup> in the fillet (wet tissue). The majority of the selenium compounds recovered in an extract made from the fillet consisted of selenomethionine, considered to be important from a nutritional point of view. Seleno‐methyl‐selenocysteine, one of the organic selenium species to which superior anti‐carcinogenic properties are attributed, was detected in the fillet but could not be quantified.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Enrichment of African catfish with functional selenium originating from garlic</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Functional selenium enrichment of African catfish</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Enrichment of African catfish with functional selenium originating from garlic</title></titleInfo><name type="personal"><namePart type="given">Edward</namePart><namePart type="family">Schram</namePart><affiliation>Wageningen IMARES, IJmuiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Zoyne</namePart><namePart type="family">Pedrero</namePart><affiliation>Analytical Chemistry Department Chemistry Faculty, Complutense University of Madrid, Madrid, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Carmen</namePart><namePart type="family">Cámara</namePart><affiliation>Analytical Chemistry Department Chemistry Faculty, Complutense University of Madrid, Madrid, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jan W</namePart><namePart type="family">Van Der Heul</namePart><affiliation>Wageningen IMARES, IJmuiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Joop B</namePart><namePart type="family">Luten</namePart><affiliation>Wageningen IMARES, IJmuiden, The Netherlands</affiliation><affiliation>Nofima Marine, Tromsø, Norway</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2008-06</dateIssued><copyrightDate encoding="w3cdtf">2008</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">4</extent><extent unit="tables">5</extent><extent unit="formulas">3</extent><extent unit="references">27</extent><extent unit="words">7231</extent></physicalDescription><abstract lang="en">We wanted to create functional seafood with high concentrations of organic selenium (seleno‐methyl‐selenocysteine and γ‐glutamyl‐seleno‐methyl‐selenocysteine) with anti‐carcinogenic properties for human consumers. Garlic containing high concentrations of these organic selenium compounds was used as a selenium source in five experimental feeds for African catfish (1.9, 2.8, 3.9, 5.1 and 8.5 mg kg−1 Se); a sixth experimental feed was formulated without garlic (1.9 mg kg−1 Se). The experimental feeds were fed to African catfish [initial mean (SD) weight 100.7 (2.7) g] for 43 days with three replicates per treatment. Whole fish fillets were sampled for total selenium analysis (start and end) and selenium speciation (end). We found a positive linear relationship between dietary and fillet concentrations for total selenium and selenomethionine. The dietary total selenium concentration of 8.5 mg kg−1 resulted in a total selenium concentration of 0.9 mg kg−1 in the fillet (wet tissue). The majority of the selenium compounds recovered in an extract made from the fillet consisted of selenomethionine, considered to be important from a nutritional point of view. Seleno‐methyl‐selenocysteine, one of the organic selenium species to which superior anti‐carcinogenic properties are attributed, was detected in the fillet but could not be quantified.</abstract><subject lang="en"><genre>keywords</genre><topic>functional food</topic><topic>selenium</topic><topic>aquaculture</topic><topic>African catfish</topic><topic>Clarias gariepinus (Burchell)</topic><topic>garlic</topic></subject><relatedItem type="host"><titleInfo><title>Aquaculture Research</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">1355-557X</identifier><identifier type="eISSN">1365-2109</identifier><identifier type="DOI">10.1111/(ISSN)1365-2109</identifier><identifier type="PublisherID">ARE</identifier><part><date>2008</date><detail type="volume"><caption>vol.</caption><number>39</number></detail><detail type="issue"><caption>no.</caption><number>8</number></detail><extent unit="pages"><start>850</start><end>860</end><total>11</total></extent></part></relatedItem><identifier type="istex">EDFC66A8E7E6DAD6B732EB18CB911BF847AF7E07</identifier><identifier type="DOI">10.1111/j.1365-2109.2008.01938.x</identifier><identifier type="ArticleID">ARE1938</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2008 The Authors. 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