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dc.contributor.authorPacheco, Maria Teresa Bertoldo-
dc.contributor.authorSantos, Bruno A. S.-
dc.contributor.authorAzambuja, Suéllen P. H.-
dc.contributor.authorÁvila, Patrícia F.-
dc.contributor.authorGoldbeck, Rosana-
dc.date.accessioned2021-05-04T16:39:01Z-
dc.date.available2021-05-04T16:39:01Z-
dc.date.issued2020-
dc.identifier.citationBrazilian Journal of Microbiologypt_BR
dc.identifier.urihttp://repositorio.ital.sp.gov.br/jspui/handle/123456789/111-
dc.description.abstractn-Butanol is a renewable resource with a wide range of applications. Its physicochemical properties make it a potential substitute for gasoline. Saccharomyces cerevisiae can produce n-butanol via amino acid catabolic pathways, but the use of pure amino acids is economically unfeasible for large-scale production. The aim of this study was to optimize the production of n-butanol by S. cerevisiae from protein-rich agro-industrial by-products (sunflower and poultry offal meals). By-products were characterized according to their total protein and free amino acid contents and subjected to enzymatic hydrolysis. Protein hydrolysates were used as nitrogen sources for the production of n-butanol by S. cerevisiae, but only poultry offal meal hydrolysate (POMH) afforded detectable levels of n-butanol. Under optimized conditions (carbon/nitrogen ratio of 2 and working volume of 60%), 59.94 mg/L of n-butanol was produced using POMH and glucose as substrates. The low-cost agro-industrial by-product showed great potential to be used in the production of n-butanol by S. cerevisiae. Other protein-rich residues may also find application in biofuel production by yeasts.pt_BR
dc.description.sponsorshipFAPESPpt_BR
dc.language.isoenpt_BR
dc.publisherSpringerpt_BR
dc.subjectSaccharomyces cerevisiaept_BR
dc.subjectBiofuelpt_BR
dc.subjectNitrogen sourcept_BR
dc.subjectOptimizationpt_BR
dc.titlen-Butanol production by Saccharomyces cerevisiae from protein-rich agro-industrial by-productspt_BR
dc.typeArticlept_BR
dc.contributor.authoremailgoldbeck@unicamp.br-
dc.publisher.cityRio de Janeiro, RJPT_Br
dc.publisher.countryBrasilPT_Br
dc.date.monthofcirculationSept.-
dc.description.sponsorFUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESPPT_Br
dc.identifie.doi10.1007/s42770-020-00370-6PT_Br
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