Efficacy of some nupe medicinal plants against Salmonella typhi: An in vitro study

C. Egwim Evans, Aderotimi Banso, O. Adeyemo Samuel

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    Different medicinal plants: Euphobia hirta (Eh); Citrus aurantifolia (Ca), Cassia occidentalis (Co), and Cassia eucalyptus (Ce), which are claimed by the Nupes of Bida in Niger State of Nigeria to be effective in the treatment of typhoid fever were collected. Ethanolic and water extracts were obtained by standard procedures. Preliminary phytochemical screening showed that alkaloids were absent in all the parts of Eh, Co, and Ca studied, but present in all the parts of Ce studied. Saponins were absent in the leaves and florescence of Eh, Ca fruits, but present in little amounts in Eh and Co roots. Saponins were present in large amounts in all the parts of Ce studied. Tannins were in little amount in all the medicinal plants studied, except in Ca. Glycosides were not present in any of the medicinal plants studied. The in vitro and microbial analysis showed that only Ce showed inhibition to Salmonella typhi growth. Ca plus 'Kanwa' (a locally mined, alkaline salt) showed inhibition only at a high concentration of 'Kanwa'. The MIC and MBC of Ce are 1 and 2 mg/ml, respectively. The paper concludes that, of all the medicinal plants claimed by the Nupes to be effective against S. typhi, only Ce contains the natural compound that can be used in the treatment of typhoid fever. © 2002 Published by Elsevier Science Ireland Ltd.
    Original languageEnglish
    Pages (from-to)21-24
    Number of pages3
    JournalJournal of Ethnopharmacology
    Issue number1
    Publication statusPublished - 2002


    • Medicinal plants
    • Nupes
    • Tannins


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