An investigation of anti-oxidant properties of salvia, conducting beta-carotene bleaching assay
Abstract. Due to the large amount of oils, Salvia (officinalis species) has always been one of the most popular medicinal plants used in traditional medicine. In this theses, the aerial parts of the plant Salvia officinalis were collected from greenhouses of Shiraz city and dried in shade for 15 days. Its essential oil was extracted using Clevenger method and analyzed using Gas Chromatography –Mass Spectrometer. Twenty compound was analyzed in the essential oil of salvia as the main compounds, including; cis-Thujone (31.35%), Eucalyptol (13.11%), Globulol (2.33%), trans-Thujone (10.5 %), camphor (21.05%), Isoborneol (1.69%), α-pinene (4.54%), β-pinene (1.68%), α-Humulene (2.71%). High concentration of some oxygen containing compounds like thujones, Eucalyptol, and camphor in the essential oil of salvia may be the reason of its antioxidant, anti-fungal and anti-inflammatory properties. Therefore, this plant must be examined for its biological and treatment uses. In this study we examined the anti-oxidant activity of salvia by beta-carotene -Linoleic acid system. This essential oil demonstrated a great anti-oxidant activity.
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