Anti-inflammatory and cicatrizing activities of thymol, a monoterpene of the essential oil from Lippia gracilis, in rodents
In: Journal of Ethnopharmacology, , Heft 2, S. 656-663
Online
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Zugriff:
Ethnopharmacological relevanceLippia gracilis Schauer (Verbenaceae) has long been recognized in folk medicine as a medicinal plant. The essential oil of Lippia gracilis has antimicrobial activity and is used externally to treat cutaneous diseases, burns, wounds, and ulcers. Recently, our research group demonstrated that the essential oil of Lippia gracilis leaves possesses antinociceptive and anti-inflammatory actions and its major component identified was thymol. The objective of this study was to assess the anti-inflammatory and wound healing activities of thymol in rodents.Materials and methodsFor the anti-inflammatory analysis the paw oedema and peritonitis models were used, followed by the assessment of the mieloperoxidase (MPO) activity, total cell counting, and histological analysis. The animals were treated (i.p., n=6/group) with thymol (10, 30, and 100mg/kg), dexamethasone (2mg/kg), or vehicle (1% Tween 80). In order to assess the wound healing potential, thymol was vehiculated into collagen-based dressing films and a biological wound healing test was conducted. The retraction index of the wounds and histological analysis were performed on the 3rd, 7th, 14th, and 21th days, split into three groups: undressed wounds (CTR), dressed with collagen-based films (COL), and dressed with collagen-based containing thymol (COLTHY) films.ResultsThymol reduced significantly the oedema (100mg/kg, P
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Anti-inflammatory and cicatrizing activities of thymol, a monoterpene of the essential oil from Lippia gracilis, in rodents
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Autor/in / Beteiligte Person: | Riella, K.R. ; Jandson de Souza Santos ; Marinho, Renata R. ; Rose Nely Pereira-Filho ; Ricardo L.C. Albuquerque-Júnior ; Thomazzi, Sara M. ; Juliana Cordeiro Cardoso |
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Zeitschrift: | Journal of Ethnopharmacology, , Heft 2, S. 656-663 |
Veröffentlichung: | Elsevier Ireland Ltd. |
Medientyp: | unknown |
ISSN: | 0378-8741 (print) |
DOI: | 10.1016/j.jep.2012.07.028 |
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