Browsing by Author "e8096f0e-d6ce-4e3c-8e32-2db6c79808b1"
Now showing items 1-9 of 9
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Pastene, Edgar; Troncoso, Miriam; Figueroa, Guillermo; Alarcón, Julio; Speisky Cosoy, Hernán (2009)Apple peel extracts and their fractions pooled according to their molecular size were prepared and evaluated for their inhibitory activity against Helicobacter pylori and Jack bean ureases. Urease Inhibitory effect of apple ...
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Faundez, Gustavo; Troncoso, Miriam; Figueroa, Guillermo (BioMed Central Ltd., 2002)Background: The cytotoxin associated gene A (cagA), and the vacuolating cytotoxin gene A (vacA) of Helicobacter pylori have been associated to phenotypic characteristics of virulence. The objectives of this study were to ...
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Morales, Pabla; Aguirre García, Juan; Troncoso, Miriam; Figueroa, Guillermo (Elsevier, 2020)The study compared 3 antagonism assays, In vitro in broth culture (TSBYE) and In situ in sterile and raw chicken meat, as tools for LABs selection to bio-preserve poultry against Pseudomonas spoilage. To do this, 4 LABs ...
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Evaluating the capacity of human gut microorganisms to colonize the zebrafish larvae (Danio rerio) Valenzuela, María José; Caruffo, Mario; Herrera, Yoani; Medina, Daniel A.; Coronado, Maximo; Feijoo, Carmen G.; Muñoz, Salomé; Garrido, Daniel; Troncoso, Miriam; Figueroa, Guillermo; Toro Ibaceta, Magaly Alejandra; Reyes Jara, Angélica; Magne, Fabien; Navarrete, Paola (Frontiers Media, 2018-05-29)In this study we evaluated if zebrafish larvae can be colonized by human gut microorganisms. We tested two strategies: (1) through transplantation of a human fecal microbiota and (2) by successively transplanting aerotolerant ...
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Pastene, Edgar; Speisky Cosoy, Hernán; García, Apolinaria; Moreno, Jessica; Troncoso, Miriam; Figueroa, Guillermo (2010)The inhibitory effects of a standarized apple peel polyphenol-rich extract (APPE) against Helicobacter pylori infection and vacuolating bacterial toxin (VacA) induced vacuolation were investigated. Apple peel polyphenols ...
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Pastene, Edgar; Speisky Cosoy, Hernán; Troncoso, Miriam; Alarcón, Julio; Figueroa, Guillermo (2009)In the present work, the in vitro effect of a standardized extract of apple peel APPE (60% of total polyphenols; 58% of flavonoids; 30% of flavan-3-ols and procyanidins) was evaluated with regard to the viability of ...
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Figueroa, Guillermo; Acuña, Raul; Troncoso, Miriam; Portell, Dana P.; Toledo, Maria S.; Albornoz, Viviana; Vigneaux, Jorge (1996)Objectives: We studied prospectively in a single-blind controlled manner the efficacy of 4-wk triple-antibiotic therapy, with amoxicillin (500 mg p.o., t.i.d.), metronidazole (250 mg p.o., t.i.d.), and bismuth subsalicylate ...
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Figueroa, Guillermo; Troncoso, Miriam; Ĺopez, Cristián; Rivas, Patricia; Toro, Magaly (2009)Background. Thermotolerant Campylobacter is among the more prevalent bacterial pathogens that cause foodborne diseases. This study aimed at evaluating the occurrence of thermotolerant Campylobacter contamination in chicken ...
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Bustamante, Fernanda; Maury Sintjago, Eduard; Cerda Leal, Fabiola; Acuña, Sergio; Aguirre, Juan; Troncoso, Miriam; Figueroa, Guillermo; Parra Flores, Julio (MDPI, 2020)Ready-to-eat (RTE) artisanal foods are very popular, but they can be contaminated by Listeria monocytogenes. The aim was to determine the presence of L. monocytogenes in artisanal RTE foods and evaluate its food safety ...