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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
13/06/2018 |
Data da última atualização: |
13/06/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
COLOMBI, B. L.; ZANONI, P. R. S.; TAVARES, L. B. B. |
Afiliação: |
Bruna Lyra Colombi, FURB; PATRICIA RAQUEL SILVA ZANONI, CNPF; Lorena Benathar Ballod Tavares, FURB. |
Título: |
Effect of phenolic compounds on bioconversion of glucose to ethanol by yeast Saccharomyces cerevisiae PE-2. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Canadian Journal of Chemical Engineering, v. 96, p. 1444-1450, July 2018. |
DOI: |
10.1002/cjce.23114 |
Idioma: |
Inglês |
Conteúdo: |
The bioconversion of lignocellulosic biomasses to ethanol consists of three main steps: pre-treatment, enzymatic hydrolysis, and fermentation by microorganisms. Most pre-treatments induce the formation of substances with a potential inhibitory effect on the microbial metabolism, which may hinder the process. The objective of this study was to investigate the behaviour of Saccharomyces cerevisiae PE-2 yeast in the presence of four phenolic compounds (vanillin, syringaldehyde, syringic acid, and acetosyringone) resulting from the alkaline pre-treatment of eucalyptus with green liquor. Eucalyptus is a fast-growing tree, widely exploited by the paper and pulp industry in Brazil. It was observed that yeast growth and glucose assimilation were affected to an extent directly proportional to the initial amount of vanillin in the medium. Syringaldehyde in a concentration of 1.0 g/L had an adverse effect on the fermentation parameters related to ethanol production, which exhibited a decrease of approximately 50 %. When syringic acid and acetosyringone were used, although the cell growth and glucose consumption profiles were similar to those of the control, they inhibited the conversion at concentrations of 0.1 and 1.0 g/L. |
Palavras-Chave: |
Etanol lignocelulósico; Inhibitors; Inibidores; Lignocellulosic ethanol; Pré tratamento; Pre-treatment; Saccharomyces cerevisiae PE-2. |
Thesagro: |
Composto Fenólico; Fermentação Alcoólica. |
Thesaurus Nal: |
Alcoholic fermentation; Phenolic compounds; Yeasts. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 02182naa a2200301 a 4500 001 2092446 005 2018-06-13 008 2018 bl uuuu u00u1 u #d 024 7 $a10.1002/cjce.23114$2DOI 100 1 $aCOLOMBI, B. L. 245 $aEffect of phenolic compounds on bioconversion of glucose to ethanol by yeast Saccharomyces cerevisiae PE-2.$h[electronic resource] 260 $c2018 520 $aThe bioconversion of lignocellulosic biomasses to ethanol consists of three main steps: pre-treatment, enzymatic hydrolysis, and fermentation by microorganisms. Most pre-treatments induce the formation of substances with a potential inhibitory effect on the microbial metabolism, which may hinder the process. The objective of this study was to investigate the behaviour of Saccharomyces cerevisiae PE-2 yeast in the presence of four phenolic compounds (vanillin, syringaldehyde, syringic acid, and acetosyringone) resulting from the alkaline pre-treatment of eucalyptus with green liquor. Eucalyptus is a fast-growing tree, widely exploited by the paper and pulp industry in Brazil. It was observed that yeast growth and glucose assimilation were affected to an extent directly proportional to the initial amount of vanillin in the medium. Syringaldehyde in a concentration of 1.0 g/L had an adverse effect on the fermentation parameters related to ethanol production, which exhibited a decrease of approximately 50 %. When syringic acid and acetosyringone were used, although the cell growth and glucose consumption profiles were similar to those of the control, they inhibited the conversion at concentrations of 0.1 and 1.0 g/L. 650 $aAlcoholic fermentation 650 $aPhenolic compounds 650 $aYeasts 650 $aComposto Fenólico 650 $aFermentação Alcoólica 653 $aEtanol lignocelulósico 653 $aInhibitors 653 $aInibidores 653 $aLignocellulosic ethanol 653 $aPré tratamento 653 $aPre-treatment 653 $aSaccharomyces cerevisiae PE-2 700 1 $aZANONI, P. R. S. 700 1 $aTAVARES, L. B. B. 773 $tCanadian Journal of Chemical Engineering$gv. 96, p. 1444-1450, July 2018.
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Embrapa Florestas (CNPF) |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
08/02/2017 |
Data da última atualização: |
18/11/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
ALVES, A. C. de O.; MAXIMINO, J. O.; SCHIAVON, M. A.; AZOCAR, M.; BENDER, S. E.; MITTELMANN, A. |
Afiliação: |
ANA CAROLINA DE OLIVEIRA ALVES, UFPEL; JOSIANE OLIVEIRA MAXIMINO, UFPEL; MARCO AURÉLIO SCHIAVON, UFPEL; MARIANA AZOCAR, IFSul/CaVG; SERGIO ELMAR BENDER, CPACT; ANDREA MITTELMANN, CNPGL. |
Título: |
Período de estabelecimento e manejo do capim-elefante BRS Kurumi em plantio tardio. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 25.; SEMANA INTEGRADA DE ENSINO, PESQUISA E EXTENSÃO, 2., 2016, Pelotas. Anais... Pelotas: UFPel, 2016. |
Páginas: |
4 p. |
Idioma: |
Português |
Palavras-Chave: |
Avaliação do crescimento; Gramíneas forrageiras; Massa verde; Número de afilhos. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/154992/1/Cnpgl-2016-ArtAnais-CICUFPEL-Periodo.pdf
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Marc: |
LEADER 00761nam a2200217 a 4500 001 2063091 005 2022-11-18 008 2016 bl uuuu u00u1 u #d 100 1 $aALVES, A. C. de O. 245 $aPeríodo de estabelecimento e manejo do capim-elefante BRS Kurumi em plantio tardio.$h[electronic resource] 260 $aIn: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 25.; SEMANA INTEGRADA DE ENSINO, PESQUISA E EXTENSÃO, 2., 2016, Pelotas. Anais... Pelotas: UFPel$c2016 300 $a4 p. 653 $aAvaliação do crescimento 653 $aGramíneas forrageiras 653 $aMassa verde 653 $aNúmero de afilhos 700 1 $aMAXIMINO, J. O. 700 1 $aSCHIAVON, M. A. 700 1 $aAZOCAR, M. 700 1 $aBENDER, S. E. 700 1 $aMITTELMANN, A.
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