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Variation in Volatiles of Astragalus gombiformis Pomel

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Variation in Volatiles of Astragalus gombiformis Pomel

Hassen Teyeba,b,*, Sami Zouaria, Wahiba Doukib, Mohamed Fadhel Najjarb, and Mohamed Neffatia

a Range Ecology Laboratory, Arid Land Institute of Medenine, Djorf 22 Km, 4119 Medenine, Tunisia. Fax: (+216)75710450. E-mail: teyeb.hassen@gmail.com

b Biochemistry and Toxicology Laboratory, University Hospital of Monastir, 5000 Monastir, Tunisia

* Author for correspondence and reprint requests

Z. Naturforsch. 66 c, 1 – 6 (2011); received March 23/August 2, 2010

The essential oils obtained by hydrodistillation (Clevenger apparatus) from aerial parts of Astragalus gombiformis were analysed by gas chromatography coupled with mass spectro- metry (GC/MS). This study showed that the A. gombiformis essential oils are complex mix- tures of important natural compounds, which varied qualitatively and quantitatively between cultivated and wild plants and between phenological stages of development. All analysed oils are characterized by the constant presence of phytol, 6,10,14-trimethyl-2-pentadecanone, 4-terpineol, and Ȗ-terpinene. This study is the fi rst report on the chemical composition of essential oils from A. gombiformis and indicates that these oils should be more studied.

Key words: Essential Oils, GC/MS, Phenological Stages

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