Madecassoside and asiaticoside from gotu kola / centella asiatica identified as major burn wound healing actives

  • Source: Medicinal plants and their natural components as future drugs for the treatment of burn wounds: an integrative review.
  • Abstract: Burn wound healing is a complicated process including inflammation, re-epithelialization, granulation, neovascularization and wound contraction. Several biochemicals are involved in burn healing process including antioxidants, cytokines and liver and kidney damage biomarkers. Although several preparations are available for the management of burn wound, there is still a necessity of researching for efficacious medicine. The aim of the present study was to evaluate herbal preparations and their phytochemical constituents for burn wound management. For this purpose, electronic databases including Pubmed, Scirus, Scopus and Cochrane library were searched from 1966 to July 2013 for in vitro, in vivo or clinical studies which examined the effect of any herbal preparation on different types of burn wound. Only 3 human studies were found to include in this review. In contrast, there were 62 in vivo and in vitro studies that show the need for more clinical trials to prove the plant's potential to cure burn wound. Among single herbal preparations, Allium sativum, Aloe vera, Centella asiatica and Hippophae rhamnoides showed the best burn wound healing activity. Flavonoids, alkaloids, saponins and phenolic compounds were active constituents present in different herbs facilitating wound closure. Glycosides including madecassoside and asiaticoside and proteolytic enzymes were among the main active components. Phytochemicals represented positive activity at different stages of burn wound healing process by various mechanisms including antimicrobial, anti-inflammatory, antioxidant, collagen synthesis stimulation, cell proliferative and angiogenic effect. Overall, several herbal medicaments have shown marked activity in the management of wounds-especially burn wounds-and therefore can be considered as an alternative source of treatment. Furthermore, various natural compounds with verified burn-induced wound healing potential can be assumed as future natural drugs.

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