alexa Anti-pyretic, Anti-inflammatory and Analgesic Activitie
ISSN: 2167-0412

Medicinal & Aromatic Plants
Open Access

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Research Article

Anti-pyretic, Anti-inflammatory and Analgesic Activities of Aqueous Stem Extract of Cynanchum Viminale (L.) in Albino Mice

Safari VZ*, Ngugi MP, Orinda G, Njagi EM
Department of Biochemistry and Biotechnology, Kenyatta University, Nairobi, Kenya
*Corresponding Author : Safari VZ
Department of Biochemistry and Biotechnology
P.O Box 43844-00100, Nairobi, Kenya
Tel: +254-728670104
Received: November 30, 2016; Accepted: February 09, 2016; Published: February 11, 2016
Citation: Safari VZ, Ngugi MP, Orinda G, Njagi EM (2016) Anti-pyretic, Anti-inflammatory and Analgesic Activities of Aqueous Stem Extract of Cynanchum Viminale (L.) in Albino Mice. Med Aromat Plants 5:236. doi:10.4172/2167-0412.1000236
Copyright: © 2016 Safari VZ, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Cynanchum viminale has been used to manage several diseases including pain, inflammation and fever. However, its efficacy has not been scientifically validated. The aim of this study therefore is to investigate the analgesic, antipyretic and anti-inflammatory activities of its aqueous extracts. The plant extract was collected from Loita division, Narok county in Kenya. A total of 96 albino mice with an average weight of 20 g were used for this study. Analgesic activity was determined by use of formalin−induced writhing test. A writhe was recorded by a stopwatch following the stretching of the abdomen and/or stretching of at least one hind limb. Anti-inflammatory activity was established by a formalin induced inflammation test. Hourly changes in paw sizes and reduction of edema around the paw was determined using a venier calipers. Antipyretic activity was carried out using Brewer’s yeast induced pyrexia. Temperature of each mouse was determined rectally by thermal probe thermometer. The aqueous leaf extracts of C. viminale reduced pain, inflammation and fever mostly at dose 150 mg/kg body weight. Based on these findings it was concluded that the present study has demonstrated the analgesic, anti-inflammatory and antipyretic potential of aqueous leaf extracts of C. viminale in albino mice and will serve as good bio-resource for generating readily available herbal formulations that are more effective in the treatment of pain, inflammation and fever.


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