Now showing items 1-20 of 21

    • Acción antimicótica de extractos de Allium sativum 

      García, R.; Erazo, Silvia; Lemus Gutiérrez, Igor; Donoso, Rafael; Pivet, Hilda; Lazo Araya, Waldo; Ferrada, Luis (Escuela de Medicina, Facultad de Medicina, Universidad de Valparaíso, 1987)
      Se realizó un estudio fitomicrobiológico con extractos de Allium sativum (ajo). se identificó en el extracto el principio activo alicina. Se estudió su acción antimicótica frente a varias cepas de Aspergillus fumigatus, ...
    • Active metabolites and biological activities from Malesherbia auristipulata 

      Erazo, Silvia; Negrete Córdova, Rosa; Zaldívar San Román, María Mercedes; Backhouse Erazo, Nadine; Belmonte, E.; Rojas, Oriana; San Martín, Aníbal; Masson Salaué, Lilia; García, R.; Delporte Vergara, Carla (University of Salerno, 2006)
      The antimicrobial activity of the resinous exudate from the aerial part of Malesherbia auristipulata showed an active mixture against Gram (+) bacteria: S.aureus, B. subtilis and M. flavus and less active against Gram (-) ...
    • Active metabolites from Dunalia spinosa resinous exudates 

      Erazo, Silvia; Rocco Troquian, Giovanna Edith; Zaldívar San Román, María Mercedes; Delporte Vergara, Carla; Backhouse Erazo, Nadine; Castro, Consuelo; Belmonte, E.; Delle Monache, F.; García, R. (VERLAG Z NATURFORSCH, 2008-07)
      Dunalia sphiosa, a plant used in folk medicine for toothaches, breathing problems and cleansing wounds. was found active as antimicrobial and antioxidant. A new (E)-aurone rutinoside (dunaurone) has been isolated from the ...
    • Alkaloids of three Aspidosperma species 

      García, R.; Brown, K. S. (Pergamon Press, 1976)
    • Bakuchiol and other compounds from Psoralea glandulosa 

      Erazo, Silvia; García, R.; Delle Monache, E. M. (México Federación Latinoamericana de Química, 1990)
      The leaves of P. glandulosa contain the active meroterpenoid bakuchiol, as well as angelicin, psoralen and a new cinnamic derivative.
    • Biological and chemical study of paico (Chenopodium chilense, Chenopodiaceae) 

      García, R.; Lemus Gutiérrez, Igor; Rivera, P.; Erazo, Silvia (ELSEVIER SCI IRELAND LTD, 1997-07)
      The methanolic extract of the aerial portion of Chenopodium chilense Schrad., used in Chilean traditional medicine as a remedy for stomach-ache, has been found to exert the major spasmolytic activity in acetylcholine ...
    • Constituents and biological activities from Muehlenbeckia hastulata 

      Erazo, Silvia; Muñoz Muñoz, Orlando; García, R.; Lemus Gutiérrez, Igor; Backhouse Erazo, Nadine; Negrete Córdova, Rosa; San Feliciano, Arturo; Delporte Vergara, Carla (VERLAG Z NATURFORSCH, 2002-09)
      Muehlenbeckia hastulata (J. E.Sm.) Johnst. used mainly for its abortive properties was found active for oxytoxic and analgesic activities in a biological activity screening (oxytoxic, analgesic, antimicrobial, cytotoxic ...
    • Diuretic activity of an Equisetum bogotense tea (Platero herb): Evaluation in healthy volunteers 

      Lemus, I.; García, R.; Erazo, S.; Peña, R.; Parada, M.; Fuenzalida, M. (Elsevier Ireland Ltd, 1996)
    • Especies autóctonas chilenas usadas en medicina popular 

      Erazo, Silvia; García, R.; Latorre, I. (Real Academia de Farmacia, 1987)
      Se investiga en diez plantas chilenas, usadas en medicina popular, la presencia de triterpenos y/o esteroles, alcaloides, antraquinonas, flavonoides, cumarinas, compuestos fenólicos y saponinas. Se identifican β-sitosterol, ...
    • Estudio farmacológico de senecionina pirrolizidínico de Senecio fistulosus Poepp. ex Less. (Hualtata) 

      González, Ernesto; García, R.; Lemus Gutiérrez, Igor; Erazo, Silvia (Real Academia de Farmacia, 1986)
      Se ha determinado mediante ensayos en aurícula aislada de cobayo los efectos sobre la fuerza de contracción y frecuencia cardíaca de Senecionina, alcaloide pirrolizidínico aislado de Senecio fistulosus Poepp ex Less. (Hualtata).
    • Évaluation des propriétès humectantes de l' Aloè Perryi Baker 

      Erazo, Silvia; Lemus Gutiérrez, Igor; García, R. (Cêntre d'Etude des Plantes Médicinales, 1985)
      Evaluation of the humectant properties in a group of femenine volunteers was made with characterization of the gel contained in the leaves of the Aloè barbadensis Miller gel (Aloè vera Liné)
    • FLAVONOIDS AND ALKALOIDS FROM CUSCUTA (CUSCUTACEAE) 

      García, R.; Erazo, Silvia; Peña, Raúl C. (PERGAMON-ELSEVIER SCIENCE LTD, 1995-07)
    • 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.
    • Per-seat, on-demand air transportation Part I: Problem description and an integer multicommodity flow model 

      Espinoza González, Daniel; García, R.; Goycoolea, M.; Nemhauser, G. L.; Savelsbergh, M. W. P. (INFORMS, 2008-08)
      The availability of relatively cheap small jet planes has led to the creation of on-demand air transportation services in which travelers call a few days in advance to schedule a flight. A successful on-demand air ...
    • Per-seat, on-demand air transportation Part II: Parallel local search 

      Espinoza González, Daniel; García, R.; Goycoolea, M.; Nemhauser, G. L.; Savelsbergh, M. W. P. (INFORMS, 2008-08)
      The availability of relatively cheap small jet aircrafts suggests a new air transportation business: dial-a-flight, an on-demand service in which travelers call a few days in advance to schedule transportation. A successful ...
    • 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 ...
    • 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 ...