Browsing by Author "Erazo, Silvia"

Now showing items 21-33 of 33

    • FLAVONOIDS AND ALKALOIDS FROM CUSCUTA (CUSCUTACEAE) 
      García, R.; Erazo, Silvia; Peña, Raúl C. (PERGAMON-ELSEVIER SCIENCE LTD, 1995-07)
    • Free radical scavengers, anti-inflammatory and analgesic activity of Acaena magellanica 
      Feresin, Gabriela E.; Tapia, E.; Gutiérrez, A.; Delporte Vergara, Carla; Erazo, Silvia; Schmeda Hirschmann, Guillermo (ROYAL PHARMACEUTICAL SOC GREAT BRITAIN, 2002-06)
      Extracts of the whole plant Acaena magellanica (Rosaceae) were assessed for anti-inflammatory and analgesic activity in animal models. At 600 mg kg(-1), the global ethanolic extract (GEE), dichloromethane (DCM) and defatted ...
    • II-Metossi-diabolina: un nuovo alcaloide terziario da Strychnos Romeu Belenii Krukoff & Barneby 
      Delle Monache, E. M.; Galeffi, Corrado; Erazo, Silvia; Marini-Bettòlo, G. B. (Accademia Nazionale dei Lincei, 1971)
      From the stem bark of Strychnos Romeu Belenii Krukoff & Barneby a Loganiacea of South America, a new indolinic alkaloid has been isolated, to which the structure of II-methoxydiaboline(I) has been assigned on the basis of ...
    • Iridoid Glycosides from Escallonia Species 
      Tomassini, L.; Foddai, S.; Nicoletti, M.; Erazo, Silvia; García, R.; Bravo, F.H. (Pergamon Press Ltd, 1993)
      Phytochemical study of Escallonia myrtoidea, E. illinita, E. alpina and E. pulverulenta led to the isolation of asperuloside and other C10-iridoid glycosides. From E. myrtoidea a new iridoid glycoside was isolated and ...
    • Metabolitos secundarios de Escallonia illinita Presl. 
      García, R.; Erazo, Silvia; Cánepa, A.; Lemus Gutiérrez, Igor (Real Academia de Farmacia, 1990)
      Se ha llevado a cabo un estudio fitoquímico de las hojas de Escallonia illinita Presl. Escalloniaceae) una planta aromática nativa de Chile, usada en medicina popular para enfermedades hepáticas y conocida vulgarmente como ...
    • Metabolitos secundarios en Adiantum thalictroides Willd. Ex. Schlecht var. Hirsutum (Hook.et Grev.) de la Sota 
      Erazo, Silvia; García, R.; Méndez, F.; Latorre, I.; Negrete Córdova, Rosa (México Federación Latinoamericana de Química, 1991)
      The nor-triterpene Adiantone(22-oxo-21-β-H-hopane),β-sitosterol, psoralene and methyl-p-coumarate were isolated from Adiantum thalictroides var. hirsutum (Culantrillo), a fern used in folk medicine as emmenagoge and expectorant.
    • Methyl psilalate: A new antimicrobial metabolite from Psila boliviensis 
      Erazo, Silvia; Negrete Córdova, Rosa; Zaldívar San Román, María Mercedes; Backhouse Erazo, Nadine; Delporte Vergara, Carla; Silva, I.; Belmonte, E.; López Pérez, J. L.; San Feliciano, Arturo (GEORG THIEME VERLAG KG, 2002-01)
      Psila boliviensis (Wedd.) Cabr. yielded a new phenylpropanoid, named methyl psilalate. The structure was established by means of standard spectroscopic techniques. The microbiological evaluation of the compound revealed ...
    • A new alkaloid of Strychnos. The ocurrence of 11-methoxy-diaboline in Strychnos romeu-belenii Krukoff and Barneby 
      Marini-Bettòlo, G. B.; Delle Monache, E. M.; Erazo, Silvia; Galeffi, Corrado (Societá Chimica Italiana, 1971)
      From the stem bark of Strychnos romeu-belenii Krukoff and Barneby, a Longaniacea of South America, a new indolinic alkaloid has been isolated to which the structure of 11-,11-methoxy-diaboline(I) has been assigned on the ...
    • Pharmaco-toxicological study of Kageneckia oblonga, Rosaceae 
      Delporte Vergara, Carla; Muñoz Muñoz, Orlando; Rojas, J.; Ferrandiz, M.; Paya, M.; Erazo, Silvia; Negrete Córdova, Rosa; Maldonado, S.; San Feliciano, Arturo; Backhouse Erazo, Nadine (VERLAG Z NATURFORSCH, 2002-01)
      The probable antipyretic, antiinflammatory, analgesic and antioxidant properties of Kageneckia oblonga, Rosaceae, were investigated and the major compounds of its active extracts were isolated. The study comprised the acute ...
    • Phytochemical and biological study of radal Lomatia hirsuta (Proteaceae) 
      Erazo, Silvia; García, R.; Backhouse Erazo, Nadine; Lemus Gutiérrez, Igor; Delporte Vergara, Carla; Andrade, C. (ELSEVIER SCI IRELAND LTD, 1997-07)
      The anti-inflammatory property of Lomatia hirsuta (Lam.) Diels ex Macbr. (Proteaceae), leaves (radal), a plant used in Chilean traditional medicine for bronchial troubles and asthma, was evaluated. The biological assays ...
    • Quelques flavonoïdes de Centaurea Floccosa Hook. et Arn. 
      Negrete Córdova, Rosa; Backhouse Erazo, Nadine; Bravo, B.; Erazo, Silvia; García, R.; Avendaño, S. (Cêntre d'Etude des Plantes Médicinales, 1987)
      Six flavonoids have been isolated from the stems, leaves and flowers of Centaurea floccosa Hook. et Arn.: hispidulin, eriodictyol, taxifolin, kaempterol, quercetin and chrysoeriol. They were identified by comparison of ...
    • Topical anti-inflammatory activity of 2 alpha-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae 
      Aguirre, María C.; Delporte Vergara, Carla; Backhouse Erazo, Nadine; Erazo, Silvia; Letelier Muñoz, María Eugenia; Cassels Niven, Bruce; Silva, Ximena; Alegría, Sergio; Negrete Córdova, Rosa (PERGAMON-ELSEVIER SCIENCE LTD, 2006-08-15)
      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 ...
    • Two new dammarane triterpenoids from Kageneckia angustifolia D. Don 
      López Pérez, J. L.; Erazo, Silvia; Delporte Vergara, Carla; Negrete Córdova, Rosa; Muñoz Muñoz, Orlando; García, R.; Backhouse Erazo, Nadine; San Feliciano, Arturo (JOHN WILEY & SONS LTD, 2005-11)
      Two new dammarane triterpenoids, 20R,21-epoxydammar-24-ene-3,23-dione and 20R,21-epoxy-3 beta-hydroxydammar-24-ene-23-one have been isolated from the aerial parts of Kageneckia angustifolia D. Don, Rosaceae, along with the ...