Abstract
The volatile components of the aerial parts of Artemisia pontica L., obtained through hydrodistillation, were investigated by GC and GC-MS. The oxygen-containing monoterpene fraction dominated (36.7%), while 1.8-cineole (14.1%) and camphor (13.9%) were the main components. Other relatively abundant components in this fraction were terpinen-4-ol (3.0%), sabina ketone (1.5%), dehydro sabina ketone (1.3%), and Z-sabineini-hydrate. In the sesquiterpene hydrocarbon fraction (1.0%) 7H-alpha-silphiperfol-5-ene (0.7%), together with silphin-1-ene (trace) and two other silphiperfolene isomers could be identified. 7H-alpha-Silphiperfol-5-ene was identified for the first time in A. pontica. In the oxygen-containing sesquiterpene hydrocarbon fraction (22.6%) a number of silphiperfolene isomers were also found, e.g. silphiperfol-5-en-3-ol C (9.7%), silphiperfol-5-en-3-one B (0.7%), silphiperfol-5-en-3-yl acetate A (1.0%). Most probably, silphiperfol-5-en-3-ol D (2.5%) and silphiperfol-5-en-3-one A were also present. Copyright (c) 2004 John Wiley & Sons, Ltd
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