Now showing items 1-20 of 39

    • 3-α -(2-O-β-D-glucopiranosil)-D-glucofuranoside della quercetina: nuovo glucoside flavonico della Vestia lycioides 

      Erazo, Silvia; Galeffi, Corrado; Ciasca Rendina, M. A.; Delle Monache, E. M. (Istituto Superiore de Sanitá, 1971)
      (Quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuraanoside, a new glycoside of Vestia lycioides). A new flavonol glycoside, the quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuranoside, has been isolated from the leaves ...
    • 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 ...
    • 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 constituents isolated from Psoralea glandulosa L. with antiinflammatory and antipyretic activities 

      Backhouse Erazo, Nadine; Delporte Vergara, Carla; Negrete Córdova, Rosa; Erazo, Silvia; Zúñiga, A.; Pinto, A.; Cassels Niven, Bruce (ELSEVIER SCI IRELAND LTD, 2001-11)
      The antiinflammatory and antipyretic activities of the petroleum ether extract (PEE), dichloromethane extract (DME) and methanol extract (ME1) of the aerial part of Psoralea glandulosa L. (Papilionaceae) were studied. The ...
    • 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 ...
    • The alkaloids of Strychnos medeola Sagot ex Progel Structure and configuration of normacusine B by spectral data. XXVI. On the alkaloids of Strychnos 

      Marini-Bettòlo, G. B.; Erazo, Silvia; Galeffi, Corrado; Delle Monache, E. M. (Società Chimica Italiana, 1973)
      11-methoxydiaboline, an alkaloid previously described by us, was isolated from the root bark of Strychnos medeola, while from the stem bark of the same plant normacusine B, already known by the name of deoxysarpagine, was ...
    • Analgesic, anti-inflammatory and antioxidant properties of Buddleja globosa, Buddlejaceae 

      Backhouse Erazo, Nadine; Rosales, L.; Apablaza Escalona, Cecilia; Goity Vivar, León Eduardo; Erazo, Silvia; Negrete Córdova, Rosa; Theodoluz, C.; Rodríguez, J.; Delporte Vergara, Carla (ELSEVIER IRELAND LTD, 2008-03-05)
      Ethnopharmacological relevance: Buddleja globosa, known as "matico", is employed in Chile for wound healing. Aim of the study: To validate the traditional use of the crude drug through in vivo and in vitro evaluation of ...
    • Analgesic-antiinflammatory properties of Proustia pyrifolia 

      Delporte Vergara, Carla; Backhouse Erazo, Nadine; Erazo, Silvia; Negrete Córdova, Rosa; Vidal, P.; Silva, X.; López Pérez, J. L.; San Feliciano, Arturo; Muñoz Muñoz, Orlando (ELSEVIER IRELAND LTD, 2005-05-13)
      The anti inflammatory (per os and topic) and analgesic (per os) properties of the aerial part of Proustia pyrifolia a species in danger of extinction were investigated, and the major. compound"s of two of its active extracts ...
    • Antibacterial diterpenoids from Fabiana densa var. ramulosa 

      Erazo, Silvia; Zaldívar San Román, María Mercedes; Delporte Vergara, Carla; Backhouse Erazo, Nadine; Tapia, P.; Belmonte, E.; Delle Monache, F.; Negrete Córdova, Rosa (GEORG THIEME VERLAG KG, 2002-04)
      A biologically monitored fractionation of the resinous exudate of Fabiana densa Remy var. ramulosa Wedd. led to the isolation of the two new diterpenes: ent-beyer-15-en-18-O-succinate and ent-beyer-15-en-18-O-oxalate as ...
    • 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 ...
    • Antimicrobial activity of Psoralea glandulosa L. 

      Erazo, Silvia; González, V.; Zaldívar San Román, María Mercedes; Negrete Córdova, Rosa (SWETS ZEITLINGER PUBLISHERS, 1997-12)
      Antimicrobial activity of leaf extracts of Psoralea glandulosa L. (Papilionaceae) is reported This study was carried out on the extracts and on the plant's most abundant metabolite, bakuchiol. Antimicrobial activity against ...
    • 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 activities and metabolites from Trevoa trinervis Miers 

      Delporte, Carla L.; Backhouse, C. Nadine; Erazo, Silvia; Negrete, Rosa E.; Silva, Carolina; Hess, Andrés; Muñoz Muñoz, Orlando; García-Grávalos, M. Dolores; San Feliciano, Arturo (1997)
      Chilean folklore medicine uses Trevoa trinervis Miers. (Rhamnaceae), 'trevo', for the treatment of inflammation caused by wounds and burns. The antiinflammatory and antipyretic activities of crude methanol, aqueous and ...
    • Biological activity of genistein and soy extracts: Selective induction of some but not all estrogenic responses in the prepubertal rat uterus Actividad biológica de Genisteína y extractos de soya: Inducción selectiva de algunas pero no todas las respuesta 

      Gaete, Leonardo; Tchernitchin, Andrei N.; Bustamante, Rodrigo; Villena, Joan; Ferrada, Karla; Erazo, Silvia; García, Rubén; Lemus, Igor (2010)
      The existence of multiple kinds of estrogen receptors (ERs), involved in independent groups of responses, allows their dissociation and opens the possibility to selectively induce beneficial responses but not those considered ...
    • 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 ...
    • Colubrinic acid isolated from a pharmacological active extract of Trevoa trinervis Miers 

      Erazo, Silvia; Backhouse Erazo, Nadine; Delporte Vergara, Carla; Negrete Córdova, Rosa; Muñoz Muñoz, Orlando; López Pérez, J. L.; San Feliciano, Arturo (Sociedad Chilena de Química, 1998)
      From Trevoa trinervis Miers (Rhammnaceae), a plant used in Chilean folklore medicine, a triterpenoid called colubrinic acid, has been isolated from a pharmacological active extract. Its structure has been established by ...
    • 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 ...
    • Constituents and biological activities of Schinus polygamus 

      Erazo, Silvia; Delporte Vergara, Carla; Negrete Córdova, Rosa; García, Rubén; Zaldívar San Román, María Mercedes; Iturra, Gladys; Caballero, Esther; López, José Luis; Backhouse Erazo, Nadine (ELSEVIER, 2006-10-11)
      The folk medicine employs Schinus polygamus to treat arthritic pain and cleansing of wounds. As no reports of pharmacological studies supporting its anti-inflammatory and analgesic properties, extracts of increasing polarity ...
    • Effect of bakuchiol on leukocyte functions and some inflammatory responses in mice 

      Ferrandiz, M.; Gil, B.; Sanz, M. J.; Ubeda, A.; Erazo, Silvia; González, Ernesto; Negrete Córdova, Rosa; Pacheco, S.; Paya, M.; Alcaraz, M. J. (ROYAL PHARMACEUTICAL SOC GREAT BRITAIN, 1996-09)
      The effects of bakuchiol, a meroterpenoid isolated from the leaves of Psoralea glandulosa L., on phospholipase A(2) (PLA(2)) activity from different sources, human neutrophil responses, zymosan air pouch and topical ...