COMPARISON OF ESSENTIAL OILS COMPOSITION OF JOHRENIOPSIS SESELOIDES FROM IRAN, POPULATION TEHRAN AND KURDISTAN

Johreniopsis seseloides (C.A.MEY) Pimenov (Umbelliferae) was collected from Tehran and Kurdistanprovinces in August 2004. The essential oil of the plant powdered aerial parts which were prepared byhydro-distillation and Clevenger type apparatus were about 0.1% and 0.15% (v/w) respectively. The oilhad pale yellow color and intensive odor. The essential oils were analyzed with GC/MS. Thirty sixcompounds were identified from two plants, accounting 77.19% and 97.04% of the oil contentsrespectively. The essential oil of J.seseloides from Darake (Tehran province) contains monoterpenes(24.05%) and sesquiterpenes (43.19%). The essential oil of J.seseloides collected from Gardaneh HarisKurdistan (Kurdistan province) contains monoterpenes (69.67%) and sesquiterpenes (26.69%). The mainconstituents of the essential oil of J.seseloides from Tehran were spathulenol (18.21%) and α-terpineol(7.97%), followed by hexahydro-farnesyl acetone (7.05%) and α-pinene (6.98%). Other monoterpenesand sesquiterpenes, either as hydrocarbons or oxygenated, were present in smaller amounts. The essentialoil of J.seseloides from Kordestan province was found to be rich in α-pinene (26.25%), α-bornyl acetate(12.36%), limonene (10.32%), α-fenchyl acetate (9.06%) and β-caryophyllene (8.58%). The essential oilof other species of Johreniopsis has not been investigated up to now and this is the first report aboutessential oil components of J.seseloides.