Quantative and qualative changes of essential oil of Salvia bracteata Bank et Sol. in different growth stages

Abstract

Salvia bracteata is a permanent herb which belongs to Lamiaceae family and grows wildely in the west of Iran. In this study the composition of the essential oils of aerial parts of Salvia bracteata in different growth stages were analysed and compared. The oils were obtained by hydrodistillation and analyzed by GC and GC/MS. The oils had high amounts of monoterpene compounds, with α-pinene, limonene, myrecene and β-pinene as major components in different growth stages.