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Separation of triacylglycerols and free fatty acids in microalgal lipids by solid-phase extraction for separate fatty acid profiling analysis by gas chromatography.

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dc.contributor.authorPaik, MJ-
dc.contributor.authorKim, H-
dc.contributor.authorLee, J-
dc.contributor.authorBrand, J-
dc.contributor.authorKim, KR-
dc.date.accessioned2010-11-30T06:52:52Z-
dc.date.available2010-11-30T06:52:52Z-
dc.date.issued2009-
dc.identifier.issn0021-9673-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/360-
dc.description.abstractMicroalgal lipids were separated into two fractions, triacylglycerols (TAGs) and free fatty acids (FFAs), by solid-phase extraction employing sodium carbonate as the sorbent and dichloromethane (20% by volume) in n-hexane as the extracting solvent. The TAG fraction was then saponified, followed by acidification, extraction and tert-butyldimethylsilyl esterification. The FFA fraction was directly acidified, extracted and derivatized. From the lipid extracts of eight microalgal species examined, a total of 13 fatty acids were detected in the TAG fractions and nine were found in the FFA fractions, with at much higher total TAG content in all microalgae. Oleic acid was the most prominent fatty acid in three species, alpha-linolenic acid was more abundant in two others, and palmitic acid was present in highest concentration in the remaining three species.-
dc.language.isoen-
dc.subject.MESHAlgae-
dc.subject.MESHCarbonates-
dc.subject.MESHChromatography, Gas-
dc.subject.MESHFatty Acids, Nonesterified-
dc.subject.MESHMass Spectrometry-
dc.subject.MESHOrganosilicon Compounds-
dc.subject.MESHRegression Analysis-
dc.subject.MESHReproducibility of Results-
dc.subject.MESHSolid Phase Extraction-
dc.subject.MESHTriglycerides-
dc.titleSeparation of triacylglycerols and free fatty acids in microalgal lipids by solid-phase extraction for separate fatty acid profiling analysis by gas chromatography.-
dc.typeArticle-
dc.identifier.pmid19570540-
dc.identifier.urlhttp://linkinghub.elsevier.com/retrieve/pii/S0021-9673(09)00929-7-
dc.contributor.affiliatedAuthor백, 만정-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.chroma.2009.06.051-
dc.citation.titleJournal of chromatography. A-
dc.citation.volume1216-
dc.citation.number31-
dc.citation.date2009-
dc.citation.startPage5917-
dc.citation.endPage5923-
dc.identifier.bibliographicCitationJournal of chromatography. A, 1216(31). : 5917-5923, 2009-
dc.identifier.eissn1873-3778-
dc.relation.journalidJ000219673-
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Journal Papers > Research Organization > Institute for Neuroregeneration & Stem Cell Research
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