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Chemical Compositions of the Leaf Essential Oils of Aralia spinosa from Three Habitats in Northern Alabama

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Author(s): Purva C. Davé | Bernhard Vogler | William N. Setzer

Journal: American Journal of Plant Sciences
ISSN 2158-2742

Volume: 02;
Issue: 03;
Start page: 507;
Date: 2011;
Original page

Keywords: Aralia Spinosa | Araliaceae | Leaf Essential Oil | Chemical Composition | Germacrene D | Myrcene | (E)-Caryophyllene | (2E)-Hexenal

ABSTRACT
Aralia spinosa leaves were collected from three different habitats in north Alabama. The leaf essential oils were col-lected by hydrodistillation and analyzed by gas chromatography / mass spectrometry (GC-MS). The most abundant components of A. spinosa essential oils were the sesquiterpenes germacrene D (28.0% - 37.3%), (E)-caryophyllene (8.2% - 15.7%), and α-humulene (1.9% - 4.9%); the monoterpene myrcene (up to 15.1%), and the fatty-acid-derivative (2E)-hexenal (trace to 28.9%). Fatty-acid derivatives and monoterpene hydrocarbons were more abundant in samples from suburban Huntsville than those from “natural” habitats (Monte Sano Mountain, Wheeler National Wildlife Ref-uge), while sesquiterpene hydrocarbons were more abundant in the natural/wild samples.
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