Vernonia galamensis : A rich source of epoxy acid | Zendy

Ayorinde Folahan O. | Zendy; Butler Boddy D. | Zendy; Clayton Marcella T. | Zendy

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Vernonia galamensis : A rich source of epoxy acid

Author(s) -

Ayorinde Folahan O.,

Butler Boddy D.,

Clayton Marcella T.

Publication year - 1990

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/bf02540503

Subject(s) - oleic acid , stearic acid , linoleic acid , chemistry , palmitic acid , arachidic acid , chromatography , extraction (chemistry) , fatty acid , organic chemistry , biochemistry

A percolation extraction of Vernonia galamensis seed, affording 38.6% of crude vernonia oil is described. The dark colored crude oil was degummed with water, treated with activated charcoal and bleached with a neutral agent, to give a light colored oil (Lovibond: 0.9 red, 3.5 yellow). Gas chromatographic/mass spectrometric analysis of the refined oil indicates a relative fatty acid composition of 79–81% vernolic ( cis ‐12,13‐epoxy‐ cis ‐9‐octadecenoic) acid, 11–12% linoleic acid, 4–6% oleic acid, 2–3% stearic acid, 2–4% palmitic acid, and a trace amount of arachidic acid.

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