Abstract

The seed oil of Eriolaena hookeriana (Sterculiaceae) contains malvalic (25.8%) and sterculic (6.0%) acids in addition to normal fatty acids. Eriolaena hookeriana is the second known species of the Sterculiaceae plant family whose seed oil contains more malvalic acid than sterculic acid. Gas chromatography-mass spectrometry (GS-MS) study of the silver nitrate-methanol treated methyl esters has been carried out for unequivocal characterisation of the individual cyclopropene acids. Genesis of diagnostic fragment ions is discussed.

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