| Oxidative stability of conjugated linolenic acids. | |
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MedLine Citation:
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PMID: 19368396 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Interest in conjugated linolenic acid (CLnA) and conjugated linoleic acid (CLA) as functional lipids is growing. The present study was (i) to study the oxidative stability of individual CLnA isomers and (ii) to compare the oxidative stabilities of CLnA and CLA with their corresponding nonconjugated counterparts, α-linolenic acid (LN) and linoleic acid (LA). The oxidation was carried out in air at 50 °C and monitored by the gas-liquid chromatography (GC) and the oxygen consumption test. First, it was found that CLnA was most unstable followed by CLA, LN, and LA in decreasing order. Second, analyses of silver ion high-performance liquid chromatography (Ag(+)-HPLC) demonstrated that t,t,t-CLnA isomers had greater stability than c,t,t-CLnA and c,t,c-CLnA isomers. Finally, both green tea catechins (GTCs) and butylated hydroxytoluene (BHT) were capable of preventing the CLnA oxidation, with the former being more effective than the latter. |
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Authors:
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Lin Yang; Ying Cao; Jing-Nan Chen; Zhen-Yu Chen |
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Publication Detail:
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Type: Journal Article Date: 2009-04-15 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: 57 ISSN: 1520-5118 ISO Abbreviation: J. Agric. Food Chem. Publication Date: 2009 May |
Date Detail:
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Created Date: 2011-02-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: United States |
Other Details:
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Languages: eng Pagination: 4212-7 Citation Subset: IM |
Affiliation:
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College of Chemistry and Environmental Science, Henan Normal University, Xinxiang, Henan Province, China 453007. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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