Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/63946
Type: Artigo de periódico
Title: Effect of the crude extract of Vernonia polyanthes Less. on blood pressure and renal sodium excretion in unanesthetized rats
Author: da Silveira, RR
Foglio, MA
Gontijo, JAR
Abstract: This study evaluated the effect of oral crude Vernonia polyanthes Less. hydroalcoholic extract administration (CHE, 0.5 and 1.0 g/kg body wt., daily for 7 days) on arterial blood pressure and renal sodium excretion in conscious rats. CHE administration decreased arterial blood pressure dose-dependently followed by a significant rise in creatinine clearance and a fall in fractional post-proximal sodium excretion was compared to the control group. These results suggest that blood pressure decrease induced by the oral crude Vernonia hydroalcoholic extract may be blunted by reduction of the post-proximal renal sodium excretion. Thus, the present study shows that Vernonia extract is a potential vasodilatation agent in normotensive rats without any effects on renal tubule autoregulation mechanisms.
Subject: Vernonia polyanthes Less.
plant extract
renal function
urinary sodium excretion and arterial blood pressure
Country: Alemanha
Editor: Urban & Fischer Verlag
Rights: fechado
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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