© Journal Of Chemical Society Of Nigeria (jcsn) . 2011. Vol. 36 No. 1
Publisher: Chemical Society of Nigeria
Analysis of Essential Oil of Plumeria Rubra From Port Harcourt, Nigeria
G. U. Obuzor, H. C. Nweke
KEYWORDS: ANALYSIS OF ESSENTIAL OIL OF PLUMERIA RUBRA FROM PORT HARCOURT, NIGERIA
ABSTRACT:The chemical composition of the essential oil Plumeria rubra (reddish-orange) was analyzed by gas chromatography and forty–one components were identified: nine alkanes (51.19%), three monoterpene alcohols (26.93%), an alkene (5.86%), an acyclic sesquiterpene alcohol (1.28%), an organic alcohol (1.34%) and thirty-six traces. The predominant constituent of the oil is an alkane heneicosane (19.15%) while the other constituents of the essential oil in order of increasing concentration are nonadecane (15.63%), citronellol (14.63%), geraniol (9.17%), tricosane (6.06%), nonadecene (5.86 %), eicosane (3.22%), nerol (3.13%), pentacosane (2.63%), benzyl alcohol (1.34%), farnesol (1.28 %), heptacosane (1.28%), tetratriacontane (1.11%), octacosane (1.06%) and nonacosane (1.05%).
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