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Molecules 2007, 12(3), 389-394; doi:10.3390/12030389
Article

Volatile Chemical Constituents of Piper aduncum L and Piper gibbilimbum C. DC (Piperaceae) from Papua New Guinea

1,* , 2
,
3
 and
3
1 Chemistry Department, University of PNG, P.O. Box 320, University, Papua New Guinea 2 Faculty of Science, University of Goroka, P.O. Box 1078, Goroka, Papua New Guinea 3 Center for Phytochemistry and Pharmacology, Southern Cross University, P.O. Box 157, Lismore, NSW 2480, Australia
* Author to whom correspondence should be addressed.
Received: 17 November 2006 / Revised: 8 February 2007 / Accepted: 12 February 2007 / Published: 9 March 2007
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Abstract

Exhaustive hydro-distillation of the leaves of Piper aduncum and fruits of Piper gibbilimbum (Piperaceae) afforded colorless and pale orange colored oils in 0.35 and 0.30 % yields, respectively. Detailed chemical analysis by GC/MS indicated the volatile constituents of Piper aduncum to be composed of dill apiole (43.3 %), β-caryophyllene (8.2 %), piperitione (6.7 %) and α-humulene (5.1 %), whilst the oil of P. gibbilimbum is dominated by the gibbilimbols A-D (74.2 %), with the remaining major constituents being the terpenes camphene (13.6 %) and α-pinene (6.5 %).
Keywords: Piper aduncum; Piper gibbilimbum; Piperaceae; dill apiole; gibbilimbol A-D Piper aduncum; Piper gibbilimbum; Piperaceae; dill apiole; gibbilimbol A-D
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Rali, T.; Wossa, S.W.; Leach, D.N.; Waterman, P.G. Volatile Chemical Constituents of Piper aduncum L and Piper gibbilimbum C. DC (Piperaceae) from Papua New Guinea. Molecules 2007, 12, 389-394.

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