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Peng W D. Hypotension effect of tenofolic saponin and its mechanism. Zhonyguo. Yao. Li Xue Bao.1999; 20(7): 639-642.

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Article

Ameliorative Effect of Aqueous Extract of Tetracarpidium Conophorum (African Walnut on Salt Induced Hypertensive Wistar Rats

1Department of Human Physiology, College of Medicine, University of Nigeria, Enugu Campus Nigeria

2Department of Physiology, College of Medicine, Enugu State University of Science & Technology, Parklane Enugu, Nigeria

3Department of Human Physiology, Faculty of Basic Medical Sciences, Alex Ekwueme University, Ndufu-Alike, Ebonyi, Nigeria


American Journal of Hypertension Research. 2018, Vol. 5 No. 1, 1-7
DOI: 10.12691/ajhr-5-1-1
Copyright © 2018 Science and Education Publishing

Cite this paper:
Bassey Etim, Celestine Ani, Igwe Uzoma, Jide Uzoigwe, Nworgu Chinemerem, Adeyemo Mercy, Nwaeme Ogochukwu, Nwachukwu Daniel. Ameliorative Effect of Aqueous Extract of Tetracarpidium Conophorum (African Walnut on Salt Induced Hypertensive Wistar Rats. American Journal of Hypertension Research. 2018; 5(1):1-7. doi: 10.12691/ajhr-5-1-1.

Correspondence to: Celestine  Ani, Department of Physiology, College of Medicine, Enugu State University of Science & Technology, Parklane Enugu, Nigeria. Email: anicelestine2006@gmail.com

Abstract

This work was designed to investigate the antihypertensive properties of aqueous extract of Tetracarpidium conophorum (TC) in salt-induced hypertensive rats. A total of thirty (30) male wistar rats were used for this study. The rats were randomly divided into six groups (A-F) of five rats each. Hypertension was induced in the rats except group A which served as the normotensive control group. The rats in groups (B-F) were placed on 8% NaCl in the diet/drinking water for 21 days and then treated with 70 mg/kg, 140 mg/kg, 210 mg/kg body weight of aqueous extract of Tetracarpidium conophorum (AETC) and lisinopril 5 mg/kg respectively for additional 21 days. Acute toxicity studies using LD50 assays showed AETC to be virtually non-toxic (LD50 >700mg/kg body weight). Phytochemical analysis of crude extract indicates the presence of flavonoids, saponins, tannins, alkaloids and Phenols. Salt loading significantly increased the systolic blood pressure (SBP), diastolic blood pressure (DBP),mean arterial blood pressure (MAP) and heart rate. Treatment showed significant (p < 0.05) decrease in SBP, DBP, MAP, heart rate, total cholesterol, triglyceride, low density lipoprotein and very low density lipoprotein and increased high density lipoprotein and body weight as compared with the salt -loaded untreated group. There was no significant difference (p>0.05) in SBP, DBP, MAP, heart rate and body weights of salt - loaded groups treated with AETC and the salt loaded group treated with lisinopril. These results indicate that AETC (African walnut) possesses antihypertensive effect in hypertensive rats.

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