Composition of the Essential Oil ofSalvia compressaVent. andCyclotrichium leucotrichum(Stapf. ex Rech.f.) Leblebici From Iran

The water distilled oils from the aerial parts of Salvia compressa Vent. collected from two different localities and Cyclotrichium leucotrichum (Stapf. ex Rech.f.) were analyzed by GC and GC/MS. The main components found in the oil of S. compressa collected at Tange Malavi, 751 m (sample A) were β-caryophyllene (21.4%), α-pinene (18.4%) and caryophyllene oxide (13.2%), while in the oil of the plant collected at Mamolan to Pole Dokhtar, 927 m (sample B), β-caryophyllene (21.1%), 3-thujopsanone (15.3%), germacrene D (12.6%), bicyclogermacrene (11.6%) and nerol (10.7%) were the most abundant constituents. Both oils were richer in sesquiterpenes than monoterpenes. Linalool (38.7%), limonene (15.4%) and spathulenol (12.6%) were the predominant compounds in the oil of Cyclotrichium leucotrichum. The oil of the plant consisted mainly of monoterpenes.