The fixed oil from the seeds of 'Karaffs' has been analysed and its fatty acid composition determined by ester fractionation method. Petroselinic (~-6~7-octadecenoic) acid has been isolated in colourless shining crystals m.p. 29-30" and found to be the major component of the fatty acids. The total acids of the oil are composed of resin acids 7% and fatty acids 93%
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