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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572

Resumo

BRAZ, D.C.; OLIVEIRA, L.R.S.  e  VIANA, A.F.S.C.. Antiulcerogenic activity of aqueous extract from Bryophyllum pinnatum (Lam.) Kurz. Rev. bras. plantas med. [online]. 2013, vol.15, n.1, pp.86-90. ISSN 1516-0572.  http://dx.doi.org/10.1590/S1516-05722013000100012.

Bryophyllum pinnatum (Lam.) Kurz belongs to the family Crassulaceae, is popularly known as "coirama", "folha-da-fortuna", or "folha-do-ar" and has been commonly used as antifungal, in the treatment of hypertension, ulcers and inflammation. The present study aimed to analyze the antiulcerogenic activity of aqueous extract from the leaves of Bryophyllum pinnatum (Lam.) Kurz using indomethacin-induced gastric ulcer models in Rattus norvegicus, males (150-250 g) aged 70 days old. The animals received by the oral route: water, aqueous extract from Bryophyllum pinnatum (Lam.) Kurz (1 and 2 g Kg-1) or ranitidine (60 mg Kg-1), a drug with known gastroprotective action, blocking histamine H2-receptors. After one hour of treatments, all animals received indomethacin by the intraperitoneal route. Results demonstrated that the aqueous extract from Bryophyllum pinnatum (Lam.) Kurz has gastroprotective action; at 1g kg-1 it inhibited 45.49% of the indomethacin-induced ulcer index, while at 2g Kg-1 it inhibited 49.50%. Several mechanisms of actions are suggested to be involved in the gastroprotective action of this plant, besides the possible participation of prostaglandins in this effect. Further studies using different gastric ulcer-induction models are needed to better evaluate the antiulcerogenic activity of aqueous extract from Bryophyllum pinnatum (Lam.) Kurz.

Palavras-chave : Crassulaceae; antiulcerogenic; Bryophyllum pinnatum (Lam.) Kurz.

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