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Year : 2019  |  Volume : 51  |  Issue : 1  |  Page : 25-30

In vivo anti-arthritic activity of Bauhinia purpurea Linn. Bark Extract

Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India

Correspondence Address:
Dr. Surender Singh
Department of Pharmacology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijp.IJP_107_16

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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. MATERIALS AND METHODS: The anti-inflammatory and anti-arthritic activity of BP at various doses was used to evaluate its anti-inflammatory activity and anti-arthritic activity. Serum of arthritic rats was collected at day 21 for detecting serum cytokines level and to evaluate the effect of BP on its serum level. Furthermore, the safety of BP was evaluated in acute (5 days) and subacute (28 days) toxicity study in rats. 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. CONCLUSION: This study demonstrates that BP bark possesses anti-arthritic activity potential and confirm its folklore use in the treatment of inflammatory conditions.


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