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- Publisher Website: 10.1007/s11745-999-0436-y
- Scopus: eid_2-s2.0-0032846440
- PMID: 10529100
- WOS: WOS:000082583500014
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Article: Synthesis of 9Z, 11E-octadecadienoic and 10E, 12Z-octadecadienoic acids, the major components of conjugated linoleic acid
Title | Synthesis of 9Z, 11E-octadecadienoic and 10E, 12Z-octadecadienoic acids, the major components of conjugated linoleic acid |
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Authors | |
Issue Date | 1999 |
Publisher | AOCS Press. The Journal's web site is located at http://www.aocs.org/press/lipids.htm |
Citation | Lipids, 1999, v. 34 n. 8, p. 879-884 How to Cite? |
Abstract | Linoleic acid was efficiently converted into the two major components of conjugated linoleic acid, 9Z, 11 E-octadecadienoic (1a) and 10E, 12Z- octadecadienoic acid (1b) using either the superbase (n- butyllithium/potassium tert-butoxide) or by simply refluxing with KOH in 1- butanol. In turn, 1a and 1b were separated from each other using the lipase from Aspergillus niger via stereoselective esterification in 1-butanol. This enzyme has a preference for the 9Z, 11E isomer, 1a, and has excellent selectivity. This method has allowed the ready preparation of gram quantities of 1a and 1b in their highly purified forms, which are not readily accessible by current methods. |
Persistent Identifier | http://hdl.handle.net/10722/167613 |
ISSN | 2023 Impact Factor: 1.8 2023 SCImago Journal Rankings: 0.438 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chen, CA | en_US |
dc.contributor.author | Lu, W | en_US |
dc.contributor.author | Sih, CJ | en_US |
dc.date.accessioned | 2012-10-08T03:09:04Z | - |
dc.date.available | 2012-10-08T03:09:04Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | Lipids, 1999, v. 34 n. 8, p. 879-884 | en_US |
dc.identifier.issn | 0024-4201 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167613 | - |
dc.description.abstract | Linoleic acid was efficiently converted into the two major components of conjugated linoleic acid, 9Z, 11 E-octadecadienoic (1a) and 10E, 12Z- octadecadienoic acid (1b) using either the superbase (n- butyllithium/potassium tert-butoxide) or by simply refluxing with KOH in 1- butanol. In turn, 1a and 1b were separated from each other using the lipase from Aspergillus niger via stereoselective esterification in 1-butanol. This enzyme has a preference for the 9Z, 11E isomer, 1a, and has excellent selectivity. This method has allowed the ready preparation of gram quantities of 1a and 1b in their highly purified forms, which are not readily accessible by current methods. | en_US |
dc.language | eng | en_US |
dc.publisher | AOCS Press. The Journal's web site is located at http://www.aocs.org/press/lipids.htm | en_US |
dc.relation.ispartof | Lipids | en_US |
dc.subject.mesh | Animals | en_US |
dc.subject.mesh | Cattle | en_US |
dc.subject.mesh | Chromatography, High Pressure Liquid | en_US |
dc.subject.mesh | Fatty Acids, Unsaturated - Chemical Synthesis - Isolation & Purification | en_US |
dc.subject.mesh | Linoleic Acids - Chemistry | en_US |
dc.subject.mesh | Lipase | en_US |
dc.subject.mesh | Meat - Analysis | en_US |
dc.subject.mesh | Methods | en_US |
dc.subject.mesh | Stereoisomerism | en_US |
dc.title | Synthesis of 9Z, 11E-octadecadienoic and 10E, 12Z-octadecadienoic acids, the major components of conjugated linoleic acid | en_US |
dc.type | Article | en_US |
dc.identifier.email | Lu, W:luwei@hku.hk | en_US |
dc.identifier.authority | Lu, W=rp00754 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1007/s11745-999-0436-y | en_US |
dc.identifier.pmid | 10529100 | - |
dc.identifier.scopus | eid_2-s2.0-0032846440 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032846440&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 34 | en_US |
dc.identifier.issue | 8 | en_US |
dc.identifier.spage | 879 | en_US |
dc.identifier.epage | 884 | en_US |
dc.identifier.isi | WOS:000082583500014 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Chen, CA=7501962155 | en_US |
dc.identifier.scopusauthorid | Lu, W=27868087600 | en_US |
dc.identifier.scopusauthorid | Sih, CJ=7006959021 | en_US |
dc.identifier.issnl | 0024-4201 | - |