EVALUATION OF ANTIOXIDANT, ANTI-INFLAMMATION AND CHEMICAL COMPOSITION OF METHANOLIC EXTRACT OF AMOMUM MASTICATORIUM THWAITES (ZINGIBERACEAE)
Journal Title: International Journal of Pharmacognosy - Year 2017, Vol 4, Issue 12
Abstract
The anti-inflammatory and antioxidant activities of the methanol extract of Amomum masticatorium rhizome were observed in various experimental models. Phytochemical constituents like phenols and flavonoids were also estimated. The antioxidant activity was evaluated by DPPH and super oxide radical scavenging assays. The extract showed significant antioxidant activity. The in vitro anti-inflammatory activity of the extract was investigated by various methods viz. albumin denaturation, membrane stabilization and proteinase inhibitory assays. Results showed that, the extract exhibited significant anti-inflammatory activity by inhibiting the heat induced albumin denaturation with IC50 value 34.15 ± 0.404µg/ml, effectively stabilized RBC membrane with IC50 value of 51.47 ± 1.56µg/ml and significantly inhibited proteinase activity with IC50 value of 52.8 ± 0.61µg/ml. In vivo activity was evaluated in carrageenan and formalin induced paw edema test in mice and compared with that of standard drug diclofenac. In both the models the extract showed significant reduction in edema. The extract at 200mg/kg b. wt showed significant reduction in carrageenan induced paw edema at 3rd hour and chronic edema on 6th day. From the results, it is concluded that, methanol extract of Amomum masticatorium rhizome exhibited significant anti-inflammatory and antioxidant activity, which may be due to the presence of active phytochemicals in it.
Authors and Affiliations
K. Sinitha
Keywords
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