Characterization of triacylglycerols in the seeds ofAquilegia vulgaris by chromatographic and mass spectrometric methods |
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| Authors: | Mustafa Demirbüker Lars G Blomberg N Urban Olsson Magnus Bergqvist Bengt G Herslöf Fernando Alvarado Jacobs |
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| Affiliation: | (1) Department of Analytical Chemistry, University of Stockholm, S-106 91 Stockholm, Sweden;(2) Karlshamns Lipid Teknik AB, S-104 65 Stockholm, Sweden;(3) Swedish Pulp and Paper Research Institute, S-114 86 Stockholm, Sweden |
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| Abstract: | A combination of analytical techniques is generally necessary to properly characterize complex lipid materials. Chromatographic
separation in conjunction with spectroscopic characterization was utilized for the analysis of the triacylglycerols in the
seeds ofAquilegia vulgaris. Reversed-phase high-performance liquid chromatography (HPLC), micropacked argentation supercritical fluid chromatography
(SFC), and combinations of the two techniques were used. The fatty acid profile was determined by gas chromatography/mass
spectrometry of the picolinyl esters and by gas chromatography/flame-ionization detection of the methyl esters. The major
components were also identified by direct inlet mass spectrometry. The excellent selectivity of packed fused silica argentation
SFC for the separation of triacylglycerols was demonstrated. |
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