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Mostrando ítems 1-18 de 18
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Aplicación de la técnica PMA-qPCR para detectar viabilidad de Escherichia coli productor de toxina Shiga (STEC) en hamburguesas de carne vacuna.
Rey, María De Los Ángeles; Cap, Mariana; Vaudagna, Sergio Ramon; Mozgovoj, Marina Valeria (2019-11)El PMA (propidium monoazide) es un colorante fotoreactivo que se intercala en el ADN bacteriano de las células muertas e inhibe su amplificación. Su selectividad se fundamenta en que la membrana bacteriana es impermeable ... -
Combination of organic acids and low-dose gamma irradiation as antimicrobial treatment to inactivate Shiga toxin-producing Escherichia coli inoculated in beef trimmings: Lack of benefits in relation to single treatments
Cap, Mariana; Cingolani, Celeste; Lires, Carla; Mozgovoj, Marina Valeria; Soteras, Trinidad; Sucari, Adriana; Gentiluomo, Jimena; Descalzo, Adriana Maria; Grigioni, Gabriela Maria; Signorini, Marcelo; Horak, Celina; Vaudagna, Sergio Ramon; Leotta, Gerardo (Plos ONE, 2020-03-26)The aim of this study was to assess the efficacy of lactic acid (LA), caprylic acid (CA), high- (HDI) and low- (LDI) dose gamma irradiation and LDI combined with LA or CA on the inactivation of a pool of Shiga toxin-producing ... -
Efecto de diferentes tiempos de contacto con agua electroactivada sobre la reducción de contaminantes químicos y biológicos en lechuga
Cap, Mariana; Rojas, Dante Emanuel; Fernandez, Mariano; Fulco, Micaela; Rodriguez, Anabel; Soteras, Trinidad; Cristos, Diego Sebastian; Mozgovoj, Marina Valeria (Asociación Argentina de Microbiología, 2019-09)En la Argentina, el consumo per cápita de lechuga es de 19 kilos por año y es considerada como la verdura de hoja más importante dentro del grupo de hortalizas. Sin embargo, el consumo de lechuga fresca puede representar ... -
Efecto de los ácidos orgánicos como estrategia para reducir salmonella spp en pechugas de pollo.
Fulco, Micaela; Cap, Mariana; Fernandez, Mariano Manuel; Gonzalez, Cintia Natalia; Mozgovoj, Marina Valeria (EEA Concepción del Uruguay, 2019-04)Salmonella spp se ubica y multiplica en intestino. La contaminación en frigorífico ocurre p or contacto directo con contenido intestinal o materia fecal o con fuentes de contaminación intermedia como ser objetos inanimados ... -
Effect of high hydrostatic pressure on Salmonella spp inactivation and meat-quality of frozen chicken breast
Cap, Mariana; Fleitas Paredes, Paola; Fernandez, Diego Ismael; Mozgovoj, Marina Valeria; Vaudagna, Sergio Ramon; Rodriguez, Anabel (2019-11-21)The aim of this study was to evaluate the effect of the pressure level and holding time on the Salmonella spp inactivation during HHP processing in frozen chicken breast fillets. Once identified the most effective process, ... -
Effect of the high-pressure assisted-infusion processing on nutritional and antioxidantproperties of mango cubes
Perdomo Lamilla, Carolina; Vaudagna, Sergio Ramon; Alzamora, Stella M.; Mozgovoj, Marina Valeria; Rodriguez, Anabel (Elsevier, 2021-05-30)The aim of this work was to evaluate the effect of the high-pressure assisted-infusion processing on the nutritional and functional properties of mango cubes immersed in a solution of sorbitol and calcium lactate. Three ... -
Effectiveness of short exposure times to electrolyzed water in reducing Salmonella spp and Imidacloprid in lettuce
Cap, Mariana; Rojas, Dante Emanuel; Fernandez, Mariano Manuel; Fulco, Micaela; Rodriguez, Anabel; Soteras, Trinidad; Cristos, Diego Sebastian; Mozgovoj, Marina Valeria (Elsevier, 2020-04-24)EW has been proposed as a sanitization method for home use to reduce chemical and biological hazards in fresh products. Most studies have evaluated exposure times of 1–10 min which may be too long for processing fresh ... -
Effects of lactic, malic and fumaric acids on Salmonella spp. counts and on chicken meat quality and sensory characteristics
Fernandez, Mariano Manuel; Rodriguez, Anabel; Fulco, Micaela; Soteras, Trinidad; Mozgovoj, Marina Valeria; Cap, Mariana (2020-10-24)The aim of this work was to assess the effectiveness of dipping chicken breast in lactic, malic and fumaric acid 3% solutions for 15 s on Salmonella counts, as well as on chicken meat quality and sensory characteristics. ... -
Evaluación del efecto combinado de ácidos orgánicos y ultrasonido sobre la inactivación de Escherichia coli inoculado en hamburguesas de carne vacuna
Rey, María De Los Ángeles; Rodríguez, Silvio David; Cap, Mariana; Vaudagna, Sergio Ramon; Mozgovoj, Marina Valeria (2019-11)Escherichia coli productor de toxina Shiga (STEC) es el agente causal de diarreas con o sin sangre y, en los casos más severos, Síndrome Urémico Hemolítico. La hamburguesa de carne vacuna ha sido descripta como uno de los ... -
Evaluation of PMA‐qPCR methodology to detect and quantify viable Shiga toxin‐producing Escherichia coli in beef burgers
Rey, Maria De Los Angeles; Cap, Mariana; Favre, Leonardo Cristian; Rodriguez, Anabel; Dus Santos, Maria Jose; Vaudagna, Sergio Ramon; Mozgovoj, Marina Valeria (2021-02-06)Propidium monoazide (PMA) is a selective nucleic acid intercalating dye that can be combined with real‐time PCR (qPCR) in order to evaluate cell viability in food samples. The aim of the present work was to evaluate PMA‐qPCR ... -
GII.4 human norovirus and G8P[1] bovine-like rotavirus in oysters (Crassostrea gigas) from Argentina
Mozgovoj, Marina Valeria; Miño, Samuel; Barbieri, Elena Susana; Tort López, Fernando; Montero, M. Victoria; Frydman, Camila Ayelén; Cap, Mariana; Barón, Pedro José; Colina, R.; Matthijnssens, Jelle; Parreño, Viviana Gladys (Elsevier, 2022-01-14)Bivalve mollusks have been widely recognized as an important source of foodborne virus. The aim of this work was to determine the presence of norovirus (NoV) and rotavirus (RVA) in Pacific cupped oyster (Crassostrea gigas) ... -
High-pressure processing treatment of beef burgers: Effect on Escherichia coli O157 inactivation evaluated by plate count and PMA-qPCR
Rey, Maria De Los Angeles; Rodriguez, Anabel; Rossi Ribeiro, Luma; Dos Santos Cruz, Fabiano; Cap, Mariana; Mozgovoj, Marina Valeria; Cristianini, Marcelo; Vaudagna, Sergio Ramon (Wiley, 2022-04-20)Propidium monoazide coupled to real time PCR (PMA-qPCR) is a novel methodology proposed for the quantification of viable bacteria in food after microbial inactivation treatments. The aim of this work was to assess the ... -
Identification of the gamma irradiation dose applied to ground beef that reduces Shiga toxin producing Escherichia coli but has no impact on consumer acceptance
Cap, Mariana; Lires, Carla M.L.; Cingolani, Celeste; Mozgovoj, Marina Valeria; Soteras, Trinidad; Gentiluomo, Jimena; Príncipe, F.; Sucari, Adriana; Horak, Celina I.; Signorini Porchiett, Marcelo Lisandro; Vaudagna, Sergio Ramon; Leotta, Gerardo Anibal (Elsevier, 2020-11-18)The aims of the present study were: a) to estimate the minimal dose of gamma irradiation required to reduce 5 log CFU/g of native O157 and non-O157 Shiga toxin-producing Escherichia coli population in ground beef samples ... -
Inactivation of Shiga toxin-producing Escherichia coli in fresh beef by electrolytically-generated hypochlorous acid, peroxyacetic acid, lactic acid and caprylic acid
Cap, Mariana; Vaudagna, Sergio Ramon; Mozgovoj, Marina Valeria; Soteras, Trinidad; Sucari, Adriana; Signorini, Marcelo; Leotta, Gerardo (Elsevier, 2019-07-05)Several studies have been conducted to verify the decontamination potential of electrolyticallygenerated hypochlorous acid, peroxyacetic acid, lactic acid and caprylic acid against Shiga toxin-producing Escherichia coli ... -
Vigilancia de virus entéricos en aguas superficiales en Arroyo Soto, Hurlingham.
Vitali, Franco; Galeano, Fabiana Solange; Frydman, Camila Ayelén; Dus Santos, Maria Jose; Mozgovoj, Marina Valeria (Universidad Nacional de Hurlingham, 2023-12-20)Surveillance of enteric viruses in surface waters can provide information on viral circulation in a community. The objective of this work was to detect Adenovirus (AdV), Rotavirus (RVA), Norovirus GI (NoV GI), Norovirus ... -
Viral load in symptomatic and asymptomatic patients infected with SARS-CoV-2. What have we learned?
Mozgovoj, Marina Valeria; Dieder Graham, Merceder; Ferrufino, Cecilia; Blanc, Sofia; Fernandez Souto, Adriana; Pilloff, Marcela; Dus Santos, Maria Jose (Elsevier, 2023-11)Asymptomatic and presymptomatic patients played a critical role in the maintenance and spread of infection during COVID pandemic. However, conflicting views about the infectiousness of asymptomatic patients have been ... -
Virus transmitidos por alimentos: primer reporte en ostras (Crassostrea gigas), provincia de Buenos Aires
Mozgovoj, Marina Valeria; Barbieri, E.S.; Victoria, M.; Cap, Mariana; Vega, C.; Barón, P.; Miño, Sergio; Lopez, F.; Parreño, Gladys; Gonzalez, Cintia Natalia (Asociación Argentina de Microbiología, 2019-09)Este trabajo constituye la primera detección de Norovirus GII.4 y Rotavirus G8P[1] en alimentos en Argentina. Los norovirus NoV junto con los rotavirus ( humanos, son los principales agentes virales causantes de brotes ... -
Wastewater surveillance of enteric viruses in eastern Argentina: High rates of detection and first report of NoV GI.5 and GII.20
Frydman, Camila Ayelén; Miño, Samuel; Iglesias, Néstor Gabriel; Carballeda, Juan Manuel; Simari, Milagros Belén; Pisano, María Belén; Dus Santos, Maria Jose; Mozgovoj, Marina Valeria (Elsevier, 2024-04)Individuals infected with enteric viruses excrete them in their feces for an extended period, whether symptomatic or asymptomatic. This characteristic, combined with the capability of these viruses to persist in the ...