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Research Article Open Access
Essential oil was extracted from leaves of Cinnamomum tamala by four different methods; Traditional hydro distillation (HD), solvent extraction (SE), ultrasonication (US) and supercritical carbon dioxide extraction (SC-CO2). The optimization process was carried out using factorial design and maximum yield (3.64%) of essential oil was obtained at optimum conditions of pressure (200 bar), temperature (55 0C) and CO2 flow rate (15 g/min). Essential oil extracted by SC-CO2 was found to be best in quantity and quality. Chemical composition of essential oils obtained from leaves Cinnamomum tamala were analysed by GC/MS and its antioxidant activity was also studied.
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Author(s): Aarti Singh and Anees Ahmad*
Cinnamomum tamala, Essential oil, SC-CO2, Optimization, GC-MS, Chemistry