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The aerial parts of two Salvia species were collected at the beginning of flowering stage in June 2013. The essential oil of the air-dried parts of plants was extracted by hydro distillation and the chemical composition of the essential oils of S. aristata and S. syriaca collected in West Azerbaijan (Iran) was studied by means of GC-MS analysis. Total of 18 compounds were identified: 11 compounds were for S. syriaca with total oil of 90.98% and 7 compounds were for S. aristata with total oil of 98.23%. S. aristata had the most concentration of essential oil between these species. In S. syriaca, the main compounds were 1, 6-cineole (46.45%) and camphor (27.58%). In S. aristata, the main compound was benzene, 1, 3-bis m-pheoxypheoxy (95.42%). Other compounds with low concentrations were transcaryophyllene (0.77%) and 1, 3-benzodioxole, 4-methoxy 6-2 (0.98%). In this study, the in vitro antioxidant activities of the essential oil of two Salvia species were examined (prepared by using ethanol 99.5% solvent). Between two species screened, S. aristata had the most antioxidant activity (31%). It was followed by S. syriaca (24%).

journal of pharmacy and pharmacology

Comparison of Essential Oil Components and Antioxidant Activity between Salvia syriaca and Salvia aristata in Their Natural Habitats in West Azerbaijan Province, Iran