Determination of vernolic acid content in the oil ofEuphorbia lagascae by gas and supercritical fluid chromatography |
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| Authors: | Christina Borch-Jensen Jørgen Mollerup |
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| Affiliation: | (1) Department of Chemical Engineering, Technical University of Denmark, 2800 Lyngby, Denmark |
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| Abstract: | Determination of the content of vernolic acid (12,13-epoxy-9c-octadecenoic) in the oil ofEuphorbia lagascae has been performed by gas chromatography of the fatty acid methyl ester derivatives of the triacylglycerols in the oil and
by supercritical fluid chromatography (SFC) of the raw oil and the fatty acid derivatives of the oil. The content of vernolic
acid was found to be 55 wt%. The three methods were compared, and SFC analysis of the fatty acid derivatives was found to
be the most accurate method. |
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| Keywords: | Epoxy fatty acid fatty acid methyl esters free fatty acids gas chromatography supercritical fluid chromatography vernolic acid |
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