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resumen

Resumen
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 competitor against Saccharomyces cerevisiae, and their effects on fermentation. In this work, we observed that the biocontrol yeasts and S. cerevisiae BSc203, based on the utilization of 16 carbonate sources, revealed significant [ver mas...]
dc.contributor.advisorVazquez, Fabio
dc.contributor.authorNally, Maria Cristina
dc.contributor.authorPonsone, María Lorena
dc.contributor.authorPesce, Virginia Mercedes
dc.contributor.authorToro, Maria Eugenia
dc.contributor.authorChulze, Sofia Noemí
dc.date.accessioned2018-07-25T13:18:19Z
dc.date.available2018-07-25T13:18:19Z
dc.date.issued2018-07
dc.identifier.issn1472-765X
dc.identifier.otherhttps://doi.org/10.1111/lam.13001
dc.identifier.urihttp://hdl.handle.net/20.500.12123/2871
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/full/10.1111/lam.13001
dc.description.abstractPrevious 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 competitor against Saccharomyces cerevisiae, and their effects on fermentation. In this work, we observed that the biocontrol yeasts and S. cerevisiae BSc203, based on the utilization of 16 carbonate sources, revealed significant differences in the nutritional profile (biocontrol yeasts NS:0 25, BSc203 NS:0 56). Lachancea thermotolerans strains did not occupy the same niche as that of BSc203 (NOI:0 44). The biocontrol agents and BSc203 presented similar competitive attitude in terms of the sugar, ethanol and sulphite tolerances. During fermentation, the biocontrol yeasts were found to tolerate up to 12% v/v ethanol, 250 mg ml 1 of total SO2 and 30° Brix sugar. In mixed cultures, L. thermotolerans strains did not negatively affect the growth of BSc203 and the wine quality, except when RCKT4 was initially inoculated at a high proportion in the mixed culture 1MSK4 (1%BSc203/99%RCKT4), resulting in a lower production of CO2 and ethanol, in comparison with pure BSc203. RCKT5, at a high proportion, in 1MSK5 (1%BSc203/99%RCKT5) presented promising oenological properties. This fermentation showed lower acetic acid contents and higher total acidity than pure BSc203.eng
dc.formatapplication/pdfeng
dc.language.isoeng
dc.publisherSociety for Applied Microbiologyeng
dc.rightsinfo:eu-repo/semantics/restrictedAccesseng
dc.sourceLetters in applied microbiology 67 (1) : 89-96. (July 2018)eng
dc.subjectSaccharomyces Cerevisiaees_AR
dc.subjectComportamientoes_AR
dc.subjectControl Biológicoes_AR
dc.subjectFermentaciónes_AR
dc.subjectUvaes_AR
dc.subjectGrapeseng
dc.subjectFermentationeng
dc.subjectBiological Controleng
dc.subjectBehavioureng
dc.subject.otherLachancea Thermotoleranses_AR
dc.subject.otherSubstrate Competitioneng
dc.titleEvaluation of behaviour of Lachancea thermotolerans biocontrol agents on grape fermentationseng
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.description.origenEEA Mendozaes_AR
dc.description.filFil: Nally, Maria Cristina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentinaes_AR
dc.description.filFil: Ponsone, María Lorena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentinaes_AR
dc.description.filFil: Pesce, Virginia Mercedes. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentinaes_AR
dc.description.filFil: Toro, Maria Eugenia. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentinaes_AR
dc.description.filFil: Vazquez, Fabio. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentinaes_AR
dc.description.filFil: Chulze, Sofia Noemi. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentinaes_AR
dc.subtypecientifico


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