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Research Paper Open Access
To rationalize scientifically the traditional claim on use of Wedelia biflora (Linn.) D. C. for the treatment of wounds and infections, the present study was designed to evaluate the antimicrobial and wound healing activity of ethanol extract of leaves of W. biflora. In in vitro assays the test extract was subjected to antimicrobial activity by agar well-diffusion method and minimum inhibitory concentration method in different microbial strains. Wound healing activity of the test extract was studied by excision wound model and incision wound model in Wistar albino rats. In excision wound model, 97.90% wound healing was recorded in 10% w/w extract treated group on 16 th days of postsurgery, whereas only 58.50% was observed in control group. In incision model, higher breaking strength, high hydroxyl proline content and histopathological study in extract treated groups revealed higher collagen redeposition than the control group. The agar well-diffusion evaluation and minimum inhibitory concentration established antimicrobial efficacy of ethanol extracts of W. biflora. These observations established the traditional claim and therapeutic activity of W. biflora and it could be a potent wound healing candidate for use in future.
Antimicrobial activity, excision wound, incision wound, Wedelia biflora