Now showing items 193-212 of 2801

    • Werner, R.; Weyrauch, T.; Navarrete Encina, Patricio; Haase, W.; Soto Bustamante, Eduardo (ELSEVIER SCIENCE BV, 2000-05-12)
      To clarify the mechanism involved in the appearance of antiferroelectric properties in mixtures of polymers containing achiral mesogenic side chains and their monomers, X-ray investigation was carried out in pyroelectrically ...
    • Bravo, J.; Carbonell, V.; Sepúlveda, B.; Delporte Vergara, Carla; Valdovinos, C. E.; Martín Hernández, R.; Higes, M. (Elsevier, 2017)
      The honeybee disease nosemosis type C is a serious problem since its causative agent, microsporidium Nosema ceranae, is widespread among adult honey bees. Some of the feasible alternative treatments that are used to control ...
    • Ramírez-Sagredo, Andrea; Ramírez-Reyes, Andrés; Ocaranza, María Paz; Chiong, Mario; Riquelme, Jaime A; Jalil, Jorge E.; Lavandero, Sergio (SciELO Agencia Nacional de Investigacion y Desarrollo (ANID), 2020)
    • Backhouse,; Delporte,; Negrete,; Salinas,; Pinto Pinto, Andrea Alejandra; Aravena,; Cassels Niven, Bruce (1996)
      The antipyretic and antiinflammatory properties of the infusions and methanol extracts of the whole plant of Cuscuta chilensis Ker-Gawl. and of the aerial parts of Cestrum parqui L'Herit. and Psoralea glandulosa L. were ...
    • Backhouse, N.; Delporte, C.; Negrete, R.; Salinas, P.; Pinto, A.; Aravena, S.; Cassels Niven, Bruce (Swets en Zeitlinger B.V., 1996)
      The antipyretic and antiinflammatory properties of the infusions and methanol extracts of the whole plant of Cuscuta chilensis Ker-Gawl. and of the aerial parts of Cestrum parqui L'Hérit. and Psoralea glandulosa L. were ...
    • Backhouse, N.; Delporte, C.; Negrete, R.; Munoz, O.; Ruiz, And R. (Informa Healthcare, 1994)
      Abstractthe antipyretic and antiinflammatory properties of an infusion, a methanol extract, and a purified fraction enriched in sesquiterpenoids, from the aerial parts of maytenus boaria, were evaluated. The fraction ...
    • Delporte,; Backhouse,; Negrete,; Gallardo,; Rivera, (1996)
      Tire antipyretic and antiinflammatory properties of a new sesquiterpene, spartidienedione, isolated from Psila spartioides (Asteraceae) were evaluated in rabbits and guinea pigs. At the dose of 25 mg/kg, this substance ...
    • Delporte, C.; Backhouse, N.; Negrete, R.; Gallardo, M. C.; Rivera, P. (Swets en Zeitlinger B.V., 1996)
      The antipyretic and antiinflammatory properties of a new sesquiterpene, spartidienedione, isolated from Psila spartioides (Asteraceae) were evaluated in rabbits and guinea pigs. At the dose of 25 mg/kg, this substance ...
    • Backhouse,; Delporte,; Negrete,; Suarez,; Cassels Niven, Bruce; Breitmaier,; Schneider, (1997)
      Acaena splendens H. et A., Rosacene, has been used in Chilean traditional medicine for the treatment of fever and inflammation. The antipyretic and antiinflammatory properties of the infusion, methanol, petroleum ether and ...
    • Backhouse, N.; Delporte, C.; Negrete, R.; Suárez, S.; Cassels Niven, Bruce; Breitmaier, E.; Schneider, C. (Swets en Zeitlinger B.V., 1997)
      Acaena splendens H. et A., Rosaceae, has been used in Chilean traditional medicine for the treatment of fever and inflammation. The antipyretic and antiinflammatory properties of the infusion, methanol, petroleum ether and ...
    • 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 ...
    • 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 ...
    • Moreno Switt, Andrea I.; Rivera, Dacil; Caipo, Marisa L.; Nowell, David C.; Adell, Aiko D. (Frontiers Media, 2020)
      Introduction: Antimicrobial resistance (AMR) is a public health concern that has gained increasing global awareness, and it is estimated that there will be 10 million deaths annually by 2050. The importance of the role ...
    • Backhouse Erazo, Nadine; Delporte Vergara, Carla; Apablaza, Cecia; Farías, Mariela; Goity Vivar, León Eduardo; Arrau, Sylvia; Negrete Córdova, Rosa; Castro, Consuelo; Miranda, Hugo (2008-09-02)
      Ethnopharmacological relevance: Leaf extracts of Buddleja globosa (Buddlejaceae) are used in Chilean folk medicine for wound healing. The anti-inflammatory (topic and per as), analgesic (per os) effects and the antioxidant ...
    • Arrau, Sylvia; Delporte Vergara, Carla; Cartagena, Carlos; Rodríguez Díaz, Maité; González, Patricia; Silva, Ximena; Cassels Niven, Bruce; Miranda Guzmán, Hugo (Elsevier, 2011-01-07)
      Ethnopharmacological relevance: Quillaja saponaria bark contains a high percentage of triterpene saponins and has been used for centuries as a cleansing and analgesic agent in Chilean folk medicine. Aim of the study: The ...
    • Palma, Manuel; Robert Canales, Paz; Holgado, Francisca; Velasco, Joaquín; Márquez Ruiz, Gloria (Springer, 2017)
      The objective of this work was to evaluate the antioxidant action of flavonoids with specific differences in chemical structure, namely, quercetin (Q), epicatechin (E) and naringenin (N), in bulk methyl linoleate (ML) under ...
    • Gunckel Ulisse, María Soledad; Santander Gutiérrez, Ingrid Paola; Cordano, G.; Ferreira Parker, Jorge; Muñoz, S.; Núñez Vergara, Luis; Squella Serrano, Juan (ELSEVIER SCI IRELAND, 1998-07-03)
      The electron-donating ability of gallates, which are food and pharmaceutical antioxidants, is quantitatively assessed on the basis of their electrochemical characteristics. Gallic acid and the propyl, i-propyl, butyl, ...
    • Rocha Ferreira, Fabricia da; Barros Valentim, Iara; Catarí Ramones, Edgar Luís; Salles Trevisan, Maria Teresa; Olea Azar, Claudio; Pérez Cruz, Fernanda; Caxico de Abreu, Fabiane; Fonseca Goulart, Marília Oliveira (Elsevier, 2012-09-28)
      The aim of this study was to characterize the complex between mangiferin (MGN) with beta-cyclodextrin (beta-CD) obtained through the co-evaporation method using Differential Scanning Calorimetry (DSC) and Fourier Transform ...
    • Ortíz Viedma, Jaime; Romero Palacios, Nalda; Puente Díaz, Luis; Burgos, Katherine; Toro, María; Ramírez, Leslie; Rodríguez Melis, Alicia; Barros Velázquez, Jorge; Aubourg, Santiago P. (Wiley, 2017)
      Stevia (Stevia rebaudiana Bert.) is a relevant source of natural phenolic compounds with antioxidant and antimicrobial properties. The aim of this study was to evaluate the potential protective effect of crude stevia ...
    • Zanocco Loyola, Antonio; Pavez, R.; Videla Cabrera, Luis; Lissi Gervaso, Eduardo A. (1989)
      2,2′-Azobis-[2-amidinopropane] initiated lipid peroxidation of egg yolk phosphatydil choline liposomes was measured by oxygen uptake and the emitted visible luminescence. Lipid peroxidation involved a chain process (kinetic ...