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E-Journal of Chemistry
Volume 8 (2011), S1, Pages S293-S296

Chemical Composition of the Essential Oil of Cyperus Conglomeratus Rottb. from Iran

A. Feizbakhsh and A. Naeemy

Department of Chemistry, Islamic Azad University, Central Tehran Branch (IAUCTB), P.O.Box 14676-86831, Tehran, Iran

Received 19 October 2010; Accepted 17 December 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The compositions of the essential oil from cyperus conglomerates were obtained by hydrodistillation and analyzed by GC/MS (Gas chromatography/mass spectrometry). Twenty seven compounds were identified. Of which the cyperene (27.2%) was the major component. This is the first time that an oil of C. conglomerates has been found with cyperene as the major constituent. Also, the oil of C. conglomerates consisted mainly of sesquiterpene hydrocarbons, oxygenated sesquiterpenes and a small percentage of monoterpenes.