Essential oil composition and antioxidant activity of hydromethanolic extract from the flowers, leaves and stems of Callistemon citrinus (Curtis) Skeels
Essential oils of flowers, leaves and stems of Callistemon citrinus (Curtis) Skeels (Family-Myrtaceae) were obtained by hydrodistillation and identified by GC and GC/MS. (46, 26, 46) components which accounted for over (94.5, 93.4, 94.1%) of flowers, leaves and stems oils were identified, respectively. The main components in the oils of plant parts were: 1, 8-cineol (16.1, 67.6, 41.3 %), α-pinene (25.7, 9.4, 19.1 %) and β-pinene (7.3, 1.3, 3.5 %), respectively. Essential oil of the leaves and hydromethanolic extract of flowers, leaves and stems of C. citrinus were emphasized as antioxidant and free radical scavenger. The samples were measured in terms of hydrogen donating or free radical scavenging ability. Results indicated the best anti-oxidant activity for flowers extract.
Essential oil, Callistemon citrinus, 1, 8-Cineole, Antioxidant activity.
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