Browsing Articles: Department of Biological Sciences by Author "Wanyonyi, Alphonse W."

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    • Bioactive steroidal alkaloid glycosides from Selanum aculeastrum. 

      Wanyonyi, Alphonse W.; Chhabra, S.C.; Mkoji, G.; Eilert, Udo; Njue, Wilson N. (2002)
      Solanum aculeastrum Dunal was investigated for the presence of molluscicidal compounds. This led to the isolation of solaculine A, from the root bark in addition to known steroidal alkaloids; solamargine and beta-solamarine ...

    • molluscicidal and antimicrobial activity of solanum aculeastrum 

      Wanyonyi, Alphonse W.; Chhabra, S.C.; Mkojo, G.; Njue, Wilson N.; Tarus, Paul K. (2003)
      The methanolic extract of the fresh root bark and berries of Solanum aculeastrum showed significant activity against host snails of schistosomiasis. The berries extract was more potent with 100% snail kill at 50 ppm. ...