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Abstract
The effect of ethanol extract of stems of Indigofera aspalathoides Vahl (Papilionaceae) (EIA) was evaluated for anti-arthritic activity on complete Freund’s adjuvant-induced (CFA-induced) arthritis in rats. The EIA was administered orally at doses of 250 and 500 mg/kg daily for 30 days. The paw volume was measured on days 7, 14, 21 and 30. At the end of day 30, the rats were sacrificed and various biochemical parameters such as serum aspartate transaminase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), total cholesterol and triglycerides were estimated. Antioxidant enzymes, such as superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx) and lipid peroxide (LPO) in the liver and kidney of normal, arthritic control and EIA treated rats were studied. Oral administration of EIA effectively inhibits rat paw edema in a dose-dependent manner. EIA significantly (P <0.01) altered the biochemical parameters which were affected in arthritic rats. There was significant alteration in LPO, SOD, catalase, and GPx levels when compared to arthritic control rats. Our findings showed a significant anti-arthritic effect of EIA against CFA-induced arthritis in rats.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.