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Articles

Essential oil compositions of branchlets and cones of Cupressus torulosa D. Don

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Pages 251-256 | Received 11 May 2012, Accepted 20 Dec 2012, Published online: 19 Mar 2013
 

Abstract

The essential oils from male and female branchlets and from female cones of Cupressus torulosa D. Don were analyzed by capillary gas chromatography (GC) and GC–mass spectrometry (GC–MS), and their compositions were compared. The analysis of essential oils revealed fifty-five constituents comprising 89.65–99.05% of the essential oil composition. Monoterpene hydrocarbons (51.09–58.06%) and oxygenated monoterpenes (28.61–39.48%) were found to be the major group of the constituents. Predominant constituents were umbellulone (16.26–26.66%), terpinen-4-ol (0.10–19.64%), α-pinene (9.62–17.76%), limonene (13.27–14.56%), sabinene (5.87–14.33%), γ-terpinene (1.97–6.89%) and α-terpinene (1.95–5.31%).

Acknowledgements

The authors are thankful to Director, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, for facilities.

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