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Fermentation of hexoses and pentoses from sugarcane bagasse hydrolysates into ethanol by Spathaspora hagerdaliae.
Rech, Fernanda Roberta; Fontana, Roselei Claudete; Rosa, Carlos A; Camassola, Marli; Ayub, Marco Antônio Záchia; Dillon, Aldo J P.
Afiliación
  • Rech FR; Enzymes and Biomass Laboratory, Biotechnology Institute, University of Caxias do Sul, Rua Francisco Getúlio Vargas, 1130, Caxias do Sul, RS, 95070-560, Brazil.
  • Fontana RC; Enzymes and Biomass Laboratory, Biotechnology Institute, University of Caxias do Sul, Rua Francisco Getúlio Vargas, 1130, Caxias do Sul, RS, 95070-560, Brazil.
  • Rosa CA; Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.
  • Camassola M; Enzymes and Biomass Laboratory, Biotechnology Institute, University of Caxias do Sul, Rua Francisco Getúlio Vargas, 1130, Caxias do Sul, RS, 95070-560, Brazil. mcamassola@gmail.com.
  • Ayub MAZ; Biotechnology and Biochemical Engineering Laboratory (BiotecLab), Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, PO Box 15090, Porto Alegre, RS, 91501-970, Brazil.
  • Dillon AJP; Enzymes and Biomass Laboratory, Biotechnology Institute, University of Caxias do Sul, Rua Francisco Getúlio Vargas, 1130, Caxias do Sul, RS, 95070-560, Brazil.
Bioprocess Biosyst Eng ; 42(1): 83-92, 2019 Jan.
Article en En | MEDLINE | ID: mdl-30264227
The present study evaluated 13 strains of yeast for ethanol and xylitol production from xylose. Among them, Spathaspora hagerdaliae UFMG-CM-Y303 produced ethanol yields (YP/S) of 0.25 g g- 1 and 0.39 g g- 1 under aerobic and microaerophilic conditions, respectively, from a mixture of glucose and xylose in flasks. A pH of 5.0 and an inoculum of 3.0 × 108 cells mL- 1r resulted in the highest ethanol yields. These conditions were tested in a bioreactor for fermenting a medium containing an enzymatic hydrolysate of sugarcane bagasse with 15.5 g L- 1 of glucose and 3 g L- 1 of xylose, and achieved a YP/S of 0.47 g g- 1, in relation to total available sugar. These results suggest that S. hagerdaliae UFMG-CM-Y303 has potential for use in second-generation ethanol studies.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Xilosa / Celulosa / Saccharum / Etanol / Saccharomycetales / Glucosa Idioma: En Revista: Bioprocess Biosyst Eng Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Alemania
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Xilosa / Celulosa / Saccharum / Etanol / Saccharomycetales / Glucosa Idioma: En Revista: Bioprocess Biosyst Eng Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Alemania