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Molecules 2009, 14(8), 2909-2917; doi:10.3390/molecules14082909
Article

Chemical Composition of the Essential Oils of Cyperus rotundus L. from South Africa

 and *
Department of Chemistry, University of Zululand, KwaDlangezwa 3886, South Africa
* Author to whom correspondence should be addressed.
Received: 12 June 2009 / Revised: 31 July 2009 / Accepted: 6 August 2009 / Published: 6 August 2009
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Abstract

The essential oils from the rhizomes of Cyperus rotundus L. collected from two different locations (Empangeni-A and KwaDlangezwa-B; both in the Kwa-Zulu Natal Province of South Africa) were obtained by hydrodistillation and analyzed by capillary GC and GC/MS. Forty-one and 43 components were identified, representing 89.9% and 92.0% of sample A and sample B, respectively. α-Cyperone (11.0%), myrtenol (7.9%), caryophyllene oxide (5.4%) and β-pinene (5.3%) were major compounds in the oil of sample A. The main constituents of the oil of sample B were β-pinene (11.3%), α-pinene (10.8%), α- cyperone (7.9%), myrtenol (7.1%) and α-selinene (6.6%).
Keywords: Cyperus rotundus; Cyperaceae; essential oil composition; α-cyperone; β-pinene α-pinene; α-selinene; caryophyllene oxide Cyperus rotundus; Cyperaceae; essential oil composition; α-cyperone; β-pinene α-pinene; α-selinene; caryophyllene oxide
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Lawal, O.A.; Oyedeji, A.O. Chemical Composition of the Essential Oils of Cyperus rotundus L. from South Africa. Molecules 2009, 14, 2909-2917.

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