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Int J Appl Basic Med Res. 2011 Jul;1(2):104-8. doi: 10.4103/2229-516X.91154.

Study of central nervous system depressant and behavioral activity of an ethanol extract of Achyranthes aspera (Agadha) in different animal models.

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1
Department of Pharmacology, SKNMC, Narhe, Ambegaon, Maharashtra, India.

Abstract

BACKGROUND:

Achyranthes aspera Linn., an indigenous herb, has been reported to have antifertility, antihyperlipidemic, antidiabetic, immunomodulatory, anticarcinogenic, diuretic, cardiotonic, analgesic anti-inflammatory, hypnotic, antifungal, antibacterial, and central antinociceptive activities.

AIMS:

This study was designed to evaluate depressant effects on central nervous system (CNS) and behavioral effects of ethanol extract of A. aspera (EEAA) and to find the phytochemical responsible for these activities.

MATERIALS AND METHODS:

The pharmacological assays used to study CNS depressant effect in albino mice were rota rod and actophotometer performance test. Effects on behavioral activity were studied using open field test. The extract was given intraperitoneally (i.p.) at a dose of 400 mg/kg. Diazepam (2 mg/kg body weight i.p.) was used as standard.

STATISTICAL ANALYSIS USED:

Data were analyzed by using analysis of variance followed by Dunnett's test. P < 0.05 was considered significant.

RESULTS:

Phytochemical screening revealed presence of triterpenoids, saponins, alkaloids (betaine, achyranthine), and steroids as major constituents. The result of this study reflected that EEAA (400 mg/kg i.p.) decreased locomotor activity, produced muscle relaxation, and showed anxiolytic activity.

CONCLUSIONS:

EEAA exhibit CNS depressant and significant anxiolytic activity comparable to diazepam.

KEYWORDS:

Achyranthes aspera; actophotometer; open field test; rota-rod

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