Journal of Japan Oil Chemists' Society
Online ISSN : 1884-2003
ISSN-L : 0513-398X
The Isolation of α-Elaeostearic Acid from the Seed Kernel Fat of Momordica charantia L.
Akio KATOTomotaro TSUCHIYA
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1961 Volume 10 Issue 5 Pages 311-312

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Abstract
Extraction of the crushed seed kernels of Momordica charantia L. with ethyl ether gives a high yield (44.64%) of oil. The ultraviolet absorption spectrum of the oil suggests that about 57.8% of it is a conjugated trienoic acid. When refluxed with alcoholic potassium hydroxide, the oil gives an acid fraction which readily yields a crystalline acid, C18H30O2, mp 48.049.0°C, identified as α-elaeostearic acid.
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