Abstract
The essential oil of Dracocephalum heterophyllum Benth. (Lamiaceae) from wild and cultivated plants was obtained by hydrodistillation and analysed by GC and GC–MS techniques. Twelve constituents, accounting for 96.8% of the total oil from wild plants, and nineteen constituents, accounting for 99.9% of the total oil from cultivated plants, were identified. Citronellol was identified as one of the major constituents, attaining 74.9% in the wild and 54.3% in the cultivated population, respectively. This plant was found to be a new source of citronellol and rose oxides, which are mostly used in the essential oil and perfumery industry. Copyright © 2005 John Wiley & Sons, Ltd.
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