Browsing by Author "Lemmen, Peter"

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7a-Acetylugandensolide and antimicrobial properties of Warburgia ugandensis extracts and isolates against sweet potato pathogens

Opiyo, Sylvia A.; Manguro, Lawrence O.A.; Okinda-Owuor, Philip; Ateka, E.M.; Lemmen, Peter (Elsevier, 2011)

7a-Acetylugandensolide together with thirteen known drimane-type sesquiterpenes have been isolated from Warbugia ugandensis bark extracts. Their structures were established by spectroscopic and physical methods as well as ...
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 ...