Now showing items 1-4 of 4

    • A new cucurbitacin glycoside from Kageneckia oblonga (Rosaceae) 

      Muñoz Muñoz, Orlando; Delporte, Carla; Backhouse, Nadine; Erazo, Silvia; Negrete, Rosa; Maldonado, Sergio; López Pérez, J.; San Feliciano, Arturo (2000)
      A novel cucurbitacin glycoside has been isolated from aerial parts of Kageneckia oblonga R. et P. and shown to be 3 beta-(beta-D-glucosyloxy)-16 alpha,23 alpha-epoxycucurbita-5,24-dien-11-one. The structure was established ...
    • Antimicrobial activity of isopteropodine 

      García, Rubén; Cayunao, Cesia; Bocic, Ronny; Backhouse, Nadine; Delporte, Carla; Zaldivar, Mercedes; Erazo, Silvia (Verlag der Zeitschrift fur Naturforschung, 2005)
      Bioassay-directed fractionation for the determination of antimicrobial activity of Uncaria tomentosa, has led to the isolation of isopteropodine (0.3%), a known Uncaria pentacyclic oxindol alkaloid that exhibited antibacterial ...
    • Chemical study and anti-inflammatory, analgesic and antioxidant activities of the leaves of Aristotelia chilensis (Mol.) Stuntz, Elaeocarpaceae 

      Muñoz Muñoz, Orlando; Christen, Philippe; Cretton, Sylvian; Backhouse, Nadine; Torres, Vanessa; Correa, Olosmira; Costa, Edda; Miranda, Hugo; Delporte, Carla (2011)
      Objectives Aristotelia chilensis leaves (Elaeocarpaceae) are used in Chilean folk medicine to treat pain and inflammation. A bioguided study was carried out on serial extracts (hexane, dichloromethane, methanol, aqueous ...
    • Topical anti-inflammatory activity of 2α-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae 

      Aguirre, María C.; Delporte, Carla; Backhouse, Nadine; Erazo, Silvia; Letelier, María Eugenia; Cassels Niven, Bruce; Silva, Ximena; Alegría, Sergio; Negrete, Rosa (2006)
      Leaf extracts of Ugni molinae Turcz. are used in the Chilean cosmetic industry on the assumption that they have decongestant, regenerative, and anti-aging properties. A bioassay-guided fractionation of this plant material ...