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dc.contributor.authorMiranda Junior, Messias-
dc.contributor.authorBatistote, Margareth-
dc.contributor.authorCilli, Eduardo Maffud-
dc.contributor.authorErnandes, Jose Roberto-
dc.identifier.citationJournal of The Institute of Brewing. London: Inst Brewing, v. 115, n. 3, p. 191-197, 2009.-
dc.description.abstractFour Saccharomyces cerevisiae Brazilian industrial ethanol production strains were grown, under shaken and static conditions, in media containing 22% (w/v) sucrose supplemented with nitrogen sources varying from a single ammonium salt (ammonium sulfate) to free amino acids (casamino acids) and peptides (peptone). Sucrose fermentations by Brazilian industrial ethanol production yeasts strains were strongly affected by both the structural complexity of the nitrogen source and the availability of oxygen. Data suggest that yeast strains vary in their response to the nitrogen source's complex structure and to oxygen availability. In addition, the amount of trehalose produced could be correlated with the fermentation performance of the different yeasts, suggesting that efficient fuel ethanol production depends on finding conditions which are appropriate for a particular strain, considering demand and dependence on available nitrogen sources in the fermentation medium.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.publisherInst Brewing-
dc.sourceWeb of Science-
dc.subjectamino acidsen
dc.subjectethanol production yeastsen
dc.subjectnitrogen metabolismen
dc.subjectsucrose fermentationen
dc.titleSucrose Fermentation by Brazilian Ethanol Production Yeasts in Media Containing Structurally Complex Nitrogen Sourcesen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationState Univ São Paulo, UNESP, Inst Quim, Dept Bioquim & Tecnol Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUnespState Univ São Paulo, UNESP, Inst Quim, Dept Bioquim & Tecnol Quim, BR-14801970 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofJournal of the Institute of Brewing-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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