Antiulcerogenic effects of 2 Maytenus species in laboratory-animals
Data
1991-08-01
Autores
Souza-Formigoni, Maria Lúcia Oliveira 
Oliveira, Maria Gabriela M
Monteiro, Maristela Goldnadel
Silveira, Nilson Gomes da
Braz, Sandra
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Leaves of Maytenus species are commonly used in Brazil for the treatment of gastric ulcers, dypepsias and other gastric problems. The present study evaluated the antiulcerogenic potential of a boiling water extract of equal parts of M. aquifolium and M. ilicifolia leaves against ulcer lesions induced by indomethacin and cold-restraint stress in rats. Ranitidine and cimetidine were used as reference drugs. The oral and intraperitoneal administration of the extract had a potent antiulcerogenic effect against both types of ulcers. The extract was shown to cause an increase in volume and pH of gastric juice of the animals with pH effects comparable to those of cimetidine. The results tend to confirm the popular use of the plant.
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Journal Of Ethnopharmacology. Clare: Elsevier Sci Ireland Ltd, v. 34, n. 1, p. 21-27, 1991.