Browsing Journal Articles by Author "Ogur, Joseph A."

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    • Bioactive Constituents of Conyza floribunda 

      Opiyo, Sylvia A.; Manguro, Lawrence O.A.; Ogur, Joseph A.; Wagai, Samuel Otieno (Medwell Journals, 2010)
      The study describes the antibacterial and antifungal effects of both CH2Cl2 and MeOH crude extracts, collected fractions and pure isolates of Conzya floribunda. The antimicrobial activity tests were carried out using agar ...

    • A New Sterol Diglycoside from Conyza floribunda 

      Opiyo, Sylvia A.; Ogur, Joseph A.; Manguro, Lawrence O.A.; Tietze, Lutz F.; Schuster, Heiko (The South African Journal of Chemistry, 2009)
      Chemical investigation of CH2Cl2 and MeOH extracts of Conyza floribunda have led to the isolation of (24S)-ethylcholesta-5, 22E, 25-trien-3-O-glucosyl (1” 4’)-rhamnoside (1), (24S)-ethylcholesta-5,25-dien-3-O- -glucoside ...