Browsing Journal Articles (PAS) by Subject "triterpenes"

Now showing items 1-3 of 3

    • Antimicrobial Compounds from Terminalia brownii against Sweet Potato Pathogens 

      Opiyo, Sylvia A.; Manguro, Lawrence O.A.; Owuor, Philip O.; Ochieng, Charles O.; Ateka, E.M.; Lemmen, Peter (Bentham Science Publishers, 2011)
      Phytochemical evaluation of Terminalia brownii extracts led to the isolation of five compounds namely - sitosterol, stigmasterol, monogynol A, betulinic acid and arjungenin. Their structures were established by spectroscopic ...

    • 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 ...

    • Triterpenes of Commiphora holtziana oleo-gum resin 

      Manguro, Lawrence O.A.; Opiyo, Sylvia A.; Herdtweck, Eberhardt; Lemmenc, Peter (NRC Research Press, 2009-07)
      Chemical analysis of the acetone extract of Commiphoraholtziana gum resin has led to the isolation of triterpenes characterized as methyl 3-oxo-1α,19α,28-trihydroxyurs-12-en-24-oate (1), methyl 3β-acetyl-2α,11α,19α,28-te ...