Volume 12, Issue 8 pp. 549-552
Original Paper

Experimental evaluation of Myracrodruon urundeuva bark extract for antidiarrhoeal activity

M. C. Chaves

M. C. Chaves

Departmento de Fisiologia e Farmacologia, Universidade Federal do Ceará, Centro de Ciências da Saúde, C.P. 3157, 60430-270 Fortaleza, CE, Brazil

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F. A. Santos

F. A. Santos

Departmento de Fisiologia e Farmacologia, Universidade Federal do Ceará, Centro de Ciências da Saúde, C.P. 3157, 60430-270 Fortaleza, CE, Brazil

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A. M. S. Menezes

A. M. S. Menezes

Departmento de Fisiologia e Farmacologia, Universidade Federal do Ceará, Centro de Ciências da Saúde, C.P. 3157, 60430-270 Fortaleza, CE, Brazil

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V. S. N. Rao

Corresponding Author

V. S. N. Rao

Departmento de Fisiologia e Farmacologia, Universidade Federal do Ceará, Centro de Ciências da Saúde, C.P. 3157, 60430-270 Fortaleza, CE, Brazil

Dept.de Fisiologia e Farmacologia (CCS), Rua Cel Nunes de Melo, 1127, C.P. 3157, Porangabussu, 60430-270 Fortaleza, CE, Brazil.Search for more papers by this author

Abstract

The bark of M. urundeuva (Anacardiaceae) used in popular medicine as an antidiarrhoeal agent has been investigated for its effects on castor oil-induced diarrhoea and on intestinal motility. In rats, the ethanol extract of stem bark significantly inhibited the castor oil-induced diarrhoea, small intestinal transit and accumulation of fluid volume at an oral dose of 400 mg/kg. Furthermore, the plant extract caused marked inhibition of the contractile responses evoked by acetylcholine and histamine on guinea-pig ileum in vitro. These results point to a possible antidiarrhoeic effect of M. urundeuva bark extract since inhibition of intestinal motility and secretion can greatly control clinical diarrhoea. Copyright © 1998 John Wiley & Sons, Ltd.

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