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The effect of Terminalia chebula extract vs. silver sulfadiazine on burn wounds in rats
Background:
The aim of this study was to evaluate the efficacy of ethanol extract of Terminalia chebula in the treatment of hot water-induced burn wounds and to compare the results with silver sulfadiazine (SSD) in rats.
Methods:
Five groups of ten rats were burned with hot water. Animals were administrated with topical cream at control, normal saline, 5%, 10% T. chebula extracts and standard SSD creams. Several parameters were assessed, including wound area, visual inspection of wound, bacteriology assessment, percentage of wound contraction and histopathological examination.
Results:
The average area of wound on 10th day was 11.2 ± 3.3, 11 ± 3.2, 8.5 ± 2.3, 9.5 ± 4.2 and 5.1 ± 2.2 cm(2) for SSD1%, base cream, normal saline, herbal extract 5% and 10%, respectively. T. chebula 10% cream exhibited lower wound size than SSD1% and control groups at 10th day post burn injury. On day 15, the percentage of wound contraction in T. chebula was 5% and 10% more than 18% and 53% in comparison to SSD1% group, respectively. Histopathological results exhibited well-formed horizontally oriented collagen fibers for appropriate tension. Strength of scar on burned tissue was better in T. chebula 5% and 10% as compared with control and SSD groups.
Conclusions:
The results of this study showed that T. chebula extract was capable of accelerating wound healing in rats by wound contraction, and had beneficial effects more than SSD 1% cream in the management of burn injury.
