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标题：Antifertility effect of aqueous and ethanol extracts of the leaves and roots of Asparagus africanus in rats
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作者：Geremew Tafesse ; Yalemtsehay Mekonnen ; Eyasu Makonnen 等
期刊名称：African Health Sciences
印刷版ISSN：1680-6905
电子版ISSN：1729-0503
出版年度：2006
卷号：6
期号：2
页码：81-85
DOI：10.4314/ahs.v6i2.6930
语种：English
出版社：Makerere University Medical School（Uganda)
摘要：Background : Asparagus africanus is claimed to have use in reproductive related health problems in some areas of Ethiopia. Objective : To study the potential antifertility effect of the aqueous and ethanol extracts of the leaves and roots of Asparagus africanus in rats. Methods : Water and ethanol extracts were given by gavages to rats in the in vivo test at a dose of 300 mg/kg of body weight, and rat uterine tissue were used for the in vitro test at different concentrations. Results : The aqueous extracts of the leaves and the roots showed an anti-implantation activity of 70% and 77%, respectively, while the ethanol extracts of the leaves and roots showed 48% and 61%, respectively. The antifertility activities of the aqueous and ethanol extracts were 40% (for leaves), 60% (for roots) and 20% (for leaves), 40% (for roots), respectively. All the extracts have resulted in significant (P< 0.05) reduction in the number of implants as compared with their respective controls. Each extract potentiated acetylcholine induced uterine contractions in a concentration dependent manner significantly (P< 0.05). Conclusion : The results obtained in this study suggest that the leaves and roots of this plant may possess hormonal properties that can modulate the reproductive function of the experimental rats. Keywords : antifertility, anti-implantation, asparagus africanus, aqueous extract, ethanol extract, leaves, roots, rats African Health Sciences Vol. 6(2) 2006: 81-85