Source:http://linkedlifedata.com/resource/pubmed/id/16212797
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
9
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pubmed:dateCreated |
2005-10-10
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pubmed:abstractText |
A simple and highly sensitive method for determining the fatty acid composition of food lipids containing conjugated linoleic acid (CLA) is described. The method is based on the separation of the 9-anthrylmethyl ester derivatives of saturated and unsaturated (conjugated and non-conjugated) fatty acids by reversed-phase high-performance liquid chromatography with fluorescence detection. Just like the other fatty acids, CLA reacts readily with 9-anthryldiazomethane at room temperature to produce 9-anthrylmethyl esters without isomerization and decomposition of the conjugated double bonds. Clear resolution of the individual fatty acids as their 9-anthrylmethyl esters is achieved on a highly efficient octadecylsilylated silica column (150- x 3-mm i.d., 3-microm particle size) using a stepwise gradient elution with methanol-water. The method is standardized with commercially available CLA isomers (cis-9, trans-11 and trans-10, cis-12-octadecadienoic acids, and their cis,cis and trans,trans isomers) and applied for determination of the fatty acid compositions of milk and sdairy products.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0021-9665
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
43
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
494-9
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:16212797-Animals,
pubmed-meshheading:16212797-Cattle,
pubmed-meshheading:16212797-Chromatography, High Pressure Liquid,
pubmed-meshheading:16212797-Dairy Products,
pubmed-meshheading:16212797-Esters,
pubmed-meshheading:16212797-Linoleic Acids, Conjugated,
pubmed-meshheading:16212797-Spectrometry, Fluorescence
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pubmed:year |
2005
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pubmed:articleTitle |
Analysis of conjugated linoleic acids as 9-anthrylmethyl esters by reversed-phase high-performance liquid chromatography with fluorescence detection.
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pubmed:affiliation |
Graduate School of Fisheries Sciences, Hokkaido University, Hakodate 041-8611, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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