Chemical composition and antibacterial activity of essential oils from leaves, stems and flowers of Salvia reuterana Boiss. grown in Iran |
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Authors: | Esmaeili Akbar Rustaiyan Abdolhossein Nadimi Marjan Larijani Kambiz Nadjafi Farzad Tabrizi Lila Chalabian Firozeh Amiri Hamzeh |
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Affiliation: | Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran. akbaresmaeili@yahoo.com |
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Abstract: | The essential oils obtained by hydrodistillation of the leaves, stems and flowers of Salvia reuterana (Lamiaceae) were analysed by GC and GC/MS. Germacrene D and beta-caryophyllene were the major constituents in all the three oils: (28.5, 27.7 and 32.5%) and (15.5, 11.4 and 16.6%), respectively. Bicyclogermacrene (10.2 and 13.2%) was also prodominated in the stem and flower oils. The composition of the oils was mostly quantitativel rather than qualitatively different. All the oils consisted mainly of sesquiterpenes and a small percentage of non-terpenoid compounds. In all the three oils, monoterpenes were in a concentration less than 0.5%. Antibacterial activity was determined by the measurement of growth inhibitory zones. |
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