A rapid h.p.l.c. method for the determination of methionine hydroxy analogue free acid in supplemented feeds
Two methods are described for determining methionine hydroxy analogue free acid (HMB) in supplemented poultry feeds. The procedure is based on extraction of analogue from the feed, followed by high‐pressure liquid chromatographic measurement of the HMB directly after extraction or, more rigorously,...
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| Veröffentlicht in: | Journal of the science of food and agriculture 1987, Vol.38 (1), p.1-8 |
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| container_title | Journal of the science of food and agriculture |
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| creator | Baudichau, Alain Bruyer, Denis C. Ontiveros, Renda Shermer, William D. |
| description | Two methods are described for determining methionine hydroxy analogue free acid (HMB) in supplemented poultry feeds. The procedure is based on extraction of analogue from the feed, followed by high‐pressure liquid chromatographic measurement of the HMB directly after extraction or, more rigorously, after extraction and hydrolysis of oligomers to monomer. Recoveries of HMB over the supplementation range 0.08–0.25% (by wt) are 98% with coefficients of variation of 5.4% in commercial poultry feeds. A 98% correlation coefficient is obtained when the analyses are compared with the gas chromatographic method. |
| doi_str_mv | 10.1002/jsfa.2740380103 |
| format | Article |
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The procedure is based on extraction of analogue from the feed, followed by high‐pressure liquid chromatographic measurement of the HMB directly after extraction or, more rigorously, after extraction and hydrolysis of oligomers to monomer. Recoveries of HMB over the supplementation range 0.08–0.25% (by wt) are 98% with coefficients of variation of 5.4% in commercial poultry feeds. A 98% correlation coefficient is obtained when the analyses are compared with the gas chromatographic method.</description><identifier>ISSN: 0022-5142</identifier><identifier>EISSN: 1097-0010</identifier><identifier>DOI: 10.1002/jsfa.2740380103</identifier><identifier>CODEN: JSFAAE</identifier><language>eng</language><publisher>London: John Wiley & Sons, Ltd</publisher><subject>2-Hydroxy-4-(methylthio)butanoic acid ; animal feeds ; Biological and medical sciences ; Feed and pet food industries ; Food industries ; Fundamental and applied biological sciences. Psychology ; liquid chromatography ; methionine hydroxy analogue</subject><ispartof>Journal of the science of food and agriculture, 1987, Vol.38 (1), p.1-8</ispartof><rights>Copyright © 1987 John Wiley & Sons, Ltd</rights><rights>1987 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3883-bfbda364aa299ed689ccdec8c6ecd57b2abd25ef2133d10c64cab5b6e0cba3b13</citedby><cites>FETCH-LOGICAL-c3883-bfbda364aa299ed689ccdec8c6ecd57b2abd25ef2133d10c64cab5b6e0cba3b13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjsfa.2740380103$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjsfa.2740380103$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,4010,27846,27900,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8073350$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Baudichau, Alain</creatorcontrib><creatorcontrib>Bruyer, Denis C.</creatorcontrib><creatorcontrib>Ontiveros, Renda</creatorcontrib><creatorcontrib>Shermer, William D.</creatorcontrib><title>A rapid h.p.l.c. method for the determination of methionine hydroxy analogue free acid in supplemented feeds</title><title>Journal of the science of food and agriculture</title><addtitle>J. Sci. Food Agric</addtitle><description>Two methods are described for determining methionine hydroxy analogue free acid (HMB) in supplemented poultry feeds. The procedure is based on extraction of analogue from the feed, followed by high‐pressure liquid chromatographic measurement of the HMB directly after extraction or, more rigorously, after extraction and hydrolysis of oligomers to monomer. Recoveries of HMB over the supplementation range 0.08–0.25% (by wt) are 98% with coefficients of variation of 5.4% in commercial poultry feeds. A 98% correlation coefficient is obtained when the analyses are compared with the gas chromatographic method.</description><subject>2-Hydroxy-4-(methylthio)butanoic acid</subject><subject>animal feeds</subject><subject>Biological and medical sciences</subject><subject>Feed and pet food industries</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. 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Sci. Food Agric</addtitle><date>1987</date><risdate>1987</risdate><volume>38</volume><issue>1</issue><spage>1</spage><epage>8</epage><pages>1-8</pages><issn>0022-5142</issn><eissn>1097-0010</eissn><coden>JSFAAE</coden><abstract>Two methods are described for determining methionine hydroxy analogue free acid (HMB) in supplemented poultry feeds. The procedure is based on extraction of analogue from the feed, followed by high‐pressure liquid chromatographic measurement of the HMB directly after extraction or, more rigorously, after extraction and hydrolysis of oligomers to monomer. Recoveries of HMB over the supplementation range 0.08–0.25% (by wt) are 98% with coefficients of variation of 5.4% in commercial poultry feeds. A 98% correlation coefficient is obtained when the analyses are compared with the gas chromatographic method.</abstract><cop>London</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jsfa.2740380103</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of the science of food and agriculture, 1987, Vol.38 (1), p.1-8 |
| issn | 0022-5142 1097-0010 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete; Periodicals Index Online |
| subjects | 2-Hydroxy-4-(methylthio)butanoic acid animal feeds Biological and medical sciences Feed and pet food industries Food industries Fundamental and applied biological sciences. Psychology liquid chromatography methionine hydroxy analogue |
| title | A rapid h.p.l.c. method for the determination of methionine hydroxy analogue free acid in supplemented feeds |
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