Author : C. Velmurugan, C. Geetha, SK. Shajahan, S. Vijayakumar and P.R. Logesh Kumar

The aim of the study was to evaluate the effects of Eucalyptus citriodora(EAEEC)ethyl acetate and ethanol (EEEC)extracts on wound healing activity. Excision, incision and dead space wound healing activity was examined on wistar rats, dressed with 10% and 200 mg/kg p.o of the extracts respectively. Control groups were dressed with the simple ointment (negative control) and 5% povidone-iodine (standard) respectively. Healing was assessed based on contraction of wound size, mean epithelisation time, hydroxyproline content and histopathologicalexaminations. Excision wound healing study revealed significant reduction in wound size and mean epithelisation time and scar area. In incision model showed significant (p<0.01) variation in breaking strength and dead space model shows increase wet & dry weight of cotton pellet this indicate higher collagen synthesis in the 10% extract-treated group compared to the vehicle group. These findings were supported by histolopathological examinations of healed wound sections which showed greater tissue regeneration, more fibroblasts and angiogenesis in the 200 mg/kg extract-treated group. The extracts of Eucalyptus citriodorais a potential candidate for the treatment of dermal wounds by topical and oral administration. The extracts are deduced to have accelerated the wound repair at all the phases of the healing.

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