Paper Information

Journal:   TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)   MARCH 2016 , Volume 73 , Number 12; Page(s) 895 To 899.
 
Paper: 

THE EFFECT OF HYDROALCOHOLIC EXTRACT OF JUGLANS REGIA L. LEAF ON BLOOD PRESSURE AND ITS INTERACTION WITH ADRENERGIC SYSTEM OF MALE RATS

 
 
Author(s):  EBRAHIMIYAN HAJAR, BAHAODDINI AMINOLLAH*, MOHAMMADI JAMSHID, MOHAMMADIAN MARYAM
 
* DEPARTMENT OF BIOLOGY, FACULTY OF SCIENCE, SHIRAZ UNIVERSITY, SHIRAZ, IRAN
 
Abstract: 

Background: Hypertension is one of the most common diseases in recent century with several complications. The purpose of this study was to evaluate the effect of hydroalcoholic extract of Juglans regia L. leaves (Walnut tree) on blood pressure and its interaction with the adrenergic system in male rats.
Methods: In this experimental study that established in the physiology lab, School of scinse in Shiraz University from September to October 2013, in order to determine some of hydroalcoholic extract of Juglans regia L. leaves effect on blood pressure, the present study was performed by following procedure: 10 adult male wistar rats weighing between 180-250g were used. They were divided into two groups (Each group contained 5 rats) randomly: Juglans regia L. leaf extract group and Juglans regia L. leaf extract and adrenaline group. Then each rat was anesthetized by IP injection of 1.2 g/kg urethane. After tracheostomy the femoral vine and artery were cannulated for drug injection and blood pressure recording respectively. Arterial cannula for recording arterial blood pressure connected to a pressure transducer (PowerLab, ADInstruments, Sydney, Australia). Blood pressure parameters were recorded before and after IV administration of hydroalcoholic extract of Juglans regia L. leaf, solvent, adrenalin and extract with adrenaline.
Results: The result showed a significant decrease of mean arterial pressure, systolic and diastolic pressure in response to extract with compare to control and sham group (P<0.05). Also a significant decrease of blood pressure showed in presence of walnut leaf extract and adrenaline with compare to sham group (P<0.05).
Conclusion: It can be concluded that hydroalcoholic extract of Juglans regia L. leaf suggested as a hypotensive agent. It seems that this effect is probably due to inhibitory effect on adrenergic system.

 
Keyword(s): BLOOD PRESSURE, CENTRAL NERVOUS SYSTEM, EPINEPHRINE, JUGLANS
 
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