Browsing Faculty of Science & Technology (FST) by Author "Samoylenko V."

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    • Antimicrobial and antiparasitic abietane diterpenoids from the roots of Clerodendrum eriophyllum 

      Derese Solomon.; Machumi F.; Samoylenko V.; Yenesew Abiy.; Midiwo Jacob O.; Wiggers FT.; Jacob MR; Tekwani BL.; Khan SI.; Walker LA.; Muhammad I. (University of NairobiCollege of biological and physical science, 2010-06)
      Chromatographic separation of the roots of a Kenyan medicinal plant, Clerodendrum eriophyllum, led to the isolation of ten abietane diterpenoids (1-10), one of which (1) was isolated for the first time from a natural source. ...

    • Antimicrobial, antiparasitic and cytotoxic spermine alkaloids from Albizia schimperiana 

      Samoylenko V.; Jacob MR.; Khan SI.; Zhao J.; Midiwo Jacob O.; Walker LA.; Muhammad I.; Tekwan BL. (Department of Chemistry, 2009-06)
      Albizia schimperiana Oliv. (Leguminosae) is a tree distributed in the highland of Kenya, where it is used as a traditional medicine for the treatment of bacterial and parasitic infections, notably pneumonia and malaria, ...

    • Antiparasitic and antimicrobial isoflavanquinones from Abrus schimperi. 

      Rahman AA.; Samoylenko V.; Jain SK.; Tekwani BL.; Khan SI.; Jacob MR.; Midiwo Jacob O.; Hester JP.; Walker LA.; Muhammad I. (2011-11)
      The EtOH extract of Abrus schimperi (Fabaceae), collected in Kenya, demonstrated significant activity against Leishmania donovani promastigotes with IC50 value of 3.6 microg/mL. Bioassay-guided fractionation of CHCl3 ...