Browsing by Author "5ea6ced0-4b0f-4767-aed0-bf0cf2f5a47d"
Now showing items 1-7 of 7
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Salgado, Francisco; Areche, Carlos; Sepúlveda, Beatriz; Simirgiotis, Mario J.; Cáceres, Fátima; Quispe, Cristina; Quispe, Lina; Cano, Teresa (Medknow Publications, 2014)Background: Azorella compacta is a rare yellow-green compact resinous cushion shrub growing from the high Andes of southern Peru to northwestern Argentina, and which is a producer of biologically active and unique diterpenoids. ...
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Schmeda Hirschmann, Guillermo; Quispe, Cristina; Vargas-Arana, Gabriel; Theoduloz, Cristina; Urra Faúndez, Felix; Cárdenas Matus, Julio (Pergamon-Elsevier Science, 2016)Little is known on the composition of Peruvian Amazon toad venoms. The large toad Rhinella marina is common in the cleared tropical forests of the Iquitos region and is regarded as poisonous. The venom from two different ...
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Sepulveda, Beatriz; Quispe, Cristina; Simirgiotis, Mario; Torres Benítez, Alfredo; Reyes Ortíz, Johanna; Areche Medina, Carlos (Elsevier, 2016)Natural or synthetic coumarins showed gastroprotective and antiulcer activity in animal models. In this study, we have synthetized twenty coumarins using classic methods to evaluate their gastroprotective effects on the ...
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Simirgiotis, Mario J.; Quispe, Cristina; Areche Medina, Carlos; Sepúlveda, Beatriz (MDPI, 2016)Mass spectrometry has become a method of choice to characterize bioactive compounds in biological samples because of its sensitivity and selectivity. Hybrid ultra-HPLC hyphenated with Orbitrap mass analyzer is an innovative ...
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Simirgiotis, Mario J.; Quispe, Cristina; Mocan, Andrei; Villatoro, José Miguel; Areche, Carlos; Bórquez, Jorge; Sepúlveda, Beatriz; Echiburu-Chau, Carlos (Sociedade Brasileira de Farmacognosia, 2017)© 2016 Sociedade Brasileira de Farmacognosia. High-resolution mass spectrometry is currently used to determine the mass of biologically active compounds in plants and UHPLC-Orbitrap is a relatively new technology that ...
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Jiménez-González, Andrea; Quispe, Cristina; Bórquez, Jorge; Sepúlveda, Beatriz; Riveros, Felipe; Areche, Carlos; Nagles, Edgar; García Beltrán, Olimpo; Simirgiotis, Mario J. (Taylor & Francis, 2018)UHPLC/ESI/MS identification of organic compounds is the first step in the majority of screening techniques for the characterization of biologically active metabolites in natural sources. This paper describes a method for ...
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Cifuentes, Fredi; Palacios, Javier; Kuzmicic, Jovan; Carvajal, Lorena; Muñoz, Fernanda; Quispe, Cristina; Nwokocha, Chukwuemeka R.; Morales, Glauco; Norambuena Soto, Ignacio; Chiong Lay, Mario; Paredes, Adrián (Elsevier GmbH, 2018)© 2018 Background: Xenophyllum poposum is an endemic species of the Andes Cordillera, popularly known as Popusa. Popusa is widely used by mountain communities as a folk medicine to treat altitude sickness and hypertension. ...