Indian Journal of Pharmacology 2019-Jan-Feb
In vivo anti-arthritic activity of Bauhinia purpurea Linn. Bark Extract.
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OBJECTIVE
Bauhinia purpurea (BP) Linn. (Caesalpiniaceae) is a plant of great medicinal importance and has been used since ancient times for treating many inflammatory conditions including arthritis. This study investigates the anti-arthritic potential of the hydroalcoholic extract from the stem bark of BP.RESULTS
There was a significant inhibition (P < 0.01) in paw edema at a different time scale with different doses of BP (50, 100, and 200 mg/kg). BP also demonstrated dose-dependent anti-arthritic activity on all observation days (3, 7, 14, and 21). In addition, there was also a significant decrease (P < 0.01) in oxidative stress markers, circulating pro-inflammatory cytokine (tumor necrosis factor alpha from 45.91 to 37.44, interleukin-1 (IL-1) β from 18.24 to 16.06, and IL-6 from 69.77 to 58.44) and an increase in anti-inflammatory cytokine (IL-10 from 8.07 to 12.07) levels. BP was found to be safe with an oral LD50 value of >2 g/kg in acute toxicity study and also no toxicological effect was observed in the oral subacute toxicity study.