Separation and identification of ximenynic acid isomers in the seed oil of Santalum spicatum  R.Br. as their 4,4‐dimethyloxazoline derivatives | Zendy

Liu Yandi D. | Zendy; Longmore Robert B. | Zendy; Fox John E. D. | Zendy

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Separation and identification of ximenynic acid isomers in the seed oil of Santalum spicatum R.Br. as their 4,4‐dimethyloxazoline derivatives

Author(s) -

Liu Yandi D.,

Longmore Robert B.,

Fox John E. D.

Publication year - 1996

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02517979

Subject(s) - chemistry , mass spectrometry , fatty acid , gas chromatography , cis–trans isomerism , gas chromatography–mass spectrometry , carbon chain , organic chemistry , chromatography

The seed oil of Santalum spicatum contains a significant amount of ximenynic acid, trans ‐11‐octadecen‐9‐ynoic acid, a long‐chain acetylenic fatty acid, as a major component (34%). The identity of trans ‐ximenynic acid was confirmed after isolation by ultraviolet, infrared, and nuclear magnetic resonance (NMR) ( 1 H‐ and 13 C‐) spectroscopy and by gas chromatography/mass spectrometry (GC/MS). The cis isomer of ximenynic acid was also found (<1%) in some samples. The cis and trans isomers were characterized by GC/MS comparison of their methyl esters and 4,4‐dimethyloxazoline derivatives.

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