Journal
SOUTH AFRICAN JOURNAL OF BOTANY
Volume 77, Issue 3, Pages 645-649Publisher
ELSEVIER
DOI: 10.1016/j.sajb.2011.02.001
Keywords
1,8-Cineole; 6,10,14-Trimethyl-2-pentadecanone; Caryophyllene-oxide; Casuarina equisetifolia; Essential oil; Eucalyptus toreliana; Ficus elastica; Pentadecanal; trans-Linalool oxide; alpha-Terpinyl acetate
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Essential oils were obtained by separate hydrodistillation of three different plants cultivated in Nigeria and analysed comprehensively for their constituents by means of gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The leaf essential oil of Casuarina alpha-equisetifolia L. (Casuarinaceae) comprised mainly of pentadecanal (32.0%) and 1,8-cineole (13.1%), with significant amounts of apiole (7.2%), alpha-phellandrene (7.0%) and alpha-terpinene (6.9%), while the fruit oil was dominated by caryophyllene-oxide (11.7%), trans-linalool oxide (11.5%), 1,8-cineole (9.7%), alpha-terpineol (8.8%) and alpha-pinene (8.5%). On the other hand, 1,8-cineole (39.4%) and alpha-terpinyl acetate (10.7%) occurred in large quantities in the essential oils of the leaf of Eucalyptus toreliana L. (Myrtaceae). The oil also features high levels of sabinene (5.9%), caryophyllene-oxide (4.7%) and alpha-pinene (4.2%). The main compounds identified in the leaf oil of Ficus elastica Roxb. ex Hornem. (Moraceae) were 6,10,14-trimethy1-2-pentadecanone (25.9%), geranyl acetone (9.9%), heneicosene (8.4%) and 1,8-cincole (8.2%). (C) 2011 SAAB. Published by Elsevier B.V. All rights reserved.
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