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ORIGINAL ARTICLE
Year : 2014  |  Volume : 10  |  Issue : 38  |  Page : 299-305

Efficacy of Acorus calamus on collagen maturation on full thickness cutaneous wounds in rats


1 Department of Biochemistry, Council of Scientific and Industrial Research Central Leather Research Institute, Tamil Nadu, India
2 Shirmpex Biotech Services, SSN College of Engineering, Kalavakkam, Chennai, Tamil Nadu, India
3 Chemical Engineering Division, Council of Scientific and Industrial Research Central Leather Research Institute, Tamil Nadu, India
4 Department of Chemistry, SSN College of Engineering, Kalavakkam, Chennai, Tamil Nadu, India

Correspondence Address:
Lonchin Suguna
Department of Biochemistry, Council of Scientific and Industrial Research Central Leather Research Institute, Adyar, Chennai 600 020
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.133283

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Background: The rhizomes of Acorus calamus and their essential oil are widely used in the flavoring industry and production of alcoholic beverages in Europe. Recent reports have confirmed the presence of several pharmacological components in the rhizomes of A. calamus. Objective: The objective of this study was to find out the efficacy of topical administration of ethanolic extract of A. calamus on dermal wound healing in rats. Wound healing is a natural process occurring in living organisms, which results in a complete or partial remodeling of injured tissue and ultimately progresses to the formation of a fibrous scar. Several natural products have been reported to augment the wound healing process. Materials and Methods: An ethanolic extract of A. calamus was prepared and its wound-healing efficacy was studied. An excision wound was made on the back of the rat and 200 μL (40 mg/kg body weight) of the A. calamus extract was applied topically once daily for the treated wounds. The control wounds were treated with 200 μL of phosphate buffered saline. Results: The granulation tissues formed were removed at 4, 8 and 12 days and biochemical parameters such as deoxyribonucleic acid, total protein, total collagen, hexosamine and uronic acids were measured. The amount of type I/III collagen formed in control and treated wound tissues was evaluated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The epithelialization time, tensile strength and histological examination of the wounds were also studied. Biochemical analyses of the granulation tissues revealed a significant increase in collagen, hexosamine and uronic acid when compared with the control. The tensile strength of extract treated wounds was found to increase by 112%. A significant reduction in lipid peroxide levels suggested that A. calamus possesses antioxidant components. Conclusions: The results strongly confirm the beneficial effects of A. calamus in augmenting the wound healing process.


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