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Mostrando ítems 1-8 de 8
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Biocontrol of postharvest Alternaria decay in table grapes from Argentina
Stocco, Antonella Fabia; Diaz, Mariano Emanuel; Rodriguez Romera, Mariela Carmen; Mercado, Laura Analia; Rivero, Maria Laura; Ponsone, María Lorena (Elsevier, 2019-03-29)Postharvest diseases cause considerable losses of fruit during transportation and storage. Synthetic fungicides are primarily used to control them; however, the recent trend is to shif toward safer and more eco-friendly ... -
Biodiversity of Aspergillus section Nigri populations in Argentinian vineyards and ochratoxin A contamination
Chiotta, María Laura; Ponsone, María Lorena; Sosa, Débora María; Combina, Mariana; Chulze, Sofia Noemí (2013-12)Aspergillus section Nigri are described as the main source of ochratoxin A (OTA) contamination in grapes and wine worldwide. The knowledge of the factors affecting grape contamination by species included in this section ... -
Biological control as a strategy to reduce the impact of mycotoxins in peanuts, grapes and cereals in Argentina
Chulze, Sofia Noemí; Palazzini, Juan Manuel; Torres, Adriana; Barros, G.; Ponsone, María Lorena; Geisen, R.; Schmidt-Heydr, M.; Kohl, Jürgen (2015)Mycotoxins including aflatoxins, deoxynivalenol, fumonisins and ochratoxin A are among the main fungal secondary metabolites detected as natural contaminants in South America in different commodities such as peanuts ... -
Control of Ochratoxin A production in grapes
Ponsone, María Lorena; Chiotta, María Laura; Palazzini, Juan Manuel; Combina, Mariana; Chulze, Sofia Noemí (2012-05)Ochratoxin A (OTA) is a mycotoxin commonly present in cereals, grapes, coffee, spices, and cocoa. Even though the main objective of the food and feed chain processors and distributors is to avoid the extended contamination ... -
Evaluation of behaviour of Lachancea thermotolerans biocontrol agents on grape fermentations
Nally, Maria Cristina; Ponsone, María Lorena; Pesce, Virginia Mercedes; Toro, Maria Eugenia; Chulze, Sofia Noemí (Society for Applied Microbiology, 2018-07)Previous researches have showed that Lachancea thermotolerans strains RCKT4 and RCKT5 inhibited the growth of Aspergillus. However, currently, there are no data on their nutritional preferences, as a possible substrate ... -
Evaluation of the effectiveness of potential biocontrol yeasts against black sur rot and ochratoxin A occurring under greenhouse and field grape production conditions
Ponsone, María Lorena; Nally, Maria Cristina; Chiotta, María Laura; Combina, Mariana; Kohl, Jürgen; Chulze, Sofia Noemí (2016)The efficacy of two strains of Lanchancea thermotolerans in preventing the growth and ochratoxin A (OTA) accumulation of ochratoxigenic fungi under greenhouse and field conditions were evaluated during three consecutive ... -
Incidence of osmophilic yeasts and Zygosaccharomyces rouxii during the production of concentrate grape juices
Torres Palazzolo, C.; Cuello, Raúl Andrés; Gonzalez, Magali Lucia Rosa; Guevara, Felipe; Ponsone, María Lorena; Mercado, Laura Analia; Martinez, Claudio; Combina, Mariana; Rojo, Maria Cecilia (2017)Zygosaccharomyces rouxii is the main spoilage yeast of grape juice concentrates. Detection and identification of Z. rouxii during the production of grape juice concentrate is critical to prevent spoilage in the final ... -
Natural occurrence of Ochratoxin A in musts, wines and grape vine fruits from grapes harvested in Argentina
Ponsone, María Lorena; Chiotta, María Laura; Combina, Mariana; Torres, Adriana; Knass, Patricia; Dalcero, Ana María; Chulze, Sofia Noemí (2010-08)In this study, ochratoxin A (OTA) occurrence in Argentinean musts, wines and dried vine fruits was evaluated, alongside with the performance of OchraStarTM columns for OTA extraction. In all the three matrices analyzed, ...