Artigo de periodico

Enzyme-aided xylan extraction from alkaline-sulfite pretreated sugarcane bagasse and its incorporation onto eucalyptus kraft pulps (2020)

• Authors:
  • Cornetti, Aline Aparecida Antunes
  • Ferraz, André Luis
  • Milagres , Adriane Maria Ferreira
• USP affiliated authors: FERRAZ, ANDRÉ LUIS - EEL ; CORNETTI, ALINE APARECIDA ANTUNES - EEL
• Unidade: EEL
• DOI: 10.1016/j.carres.2020.108003
• Assunto: BIOTECNOLOGIA
• Keywords: Xylan; Xylanase; Sugarcane bagasse; Kraft pulp; Biorefinery
• Agências de fomento:
  • Financiamento FAPESP
  • Financiamento CNPq
• Language: Inglês
• Abstract: Hemicellulose-rich substrates produced in the lignocellulose biorefinery context can yield macromolecular xylan structures with assorted application in the chemical industry. Xylan presents natural affinity to cellulose and its incorporation onto fibers increases the physical processability of pulp; however, current studies diverge on how molar mass affects xylan interaction with cellulose. In the current work, xylans with varied structural characteristics were prepared from alkaline-sulfite pretreated sugarcane bagasse with aid of an alkaline-active xylanase and selective precipitations using different ethanol concentrations. Prepared xylan fractions, containing low levels of lignin contamination (4–9%) and molar masses ranging from 2.3 kDa to 34 kDa, were incorporated onto eucalyptus pulp fibers up to 4.7 g xylan/100 g pulp. The efficiency of xylan incorporation onto cellulosic fibers was dependent on the xylan structures, where low molar mass and low substitution degree favored high incorporation levels.
• Imprenta:
  • Publisher place: Amsterdam
  • Date published: 2020
• Source:
  • Título: Carbohydrate research
  • ISSN: 00086215
  • Volume/Número/Paginação/Ano: v. 492, p.108003-, 2020

Informações sobre o DOI: 10.1016/j.carres.2020.108003 (Fonte: oaDOI API)
• Este periódico é de assinatura
• Este artigo NÃO é de acesso aberto
  
• Cor do Acesso Aberto: closed

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• ABNT

  CORNETTI, Aline Aparecida Antunes e FERRAZ, André Luis e MILAGRES , Adriane Maria Ferreira. Enzyme-aided xylan extraction from alkaline-sulfite pretreated sugarcane bagasse and its incorporation onto eucalyptus kraft pulps. Carbohydrate research, v. 492, p. 108003-, 2020Tradução . . Disponível em: https://doi.org/10.1016/j.carres.2020.108003. Acesso em: 27 dez. 2025.

• APA

  Cornetti, A. A. A., Ferraz, A. L., & Milagres , A. M. F. (2020). Enzyme-aided xylan extraction from alkaline-sulfite pretreated sugarcane bagasse and its incorporation onto eucalyptus kraft pulps. Carbohydrate research, 492, 108003-. doi:10.1016/j.carres.2020.108003

• NLM

  Cornetti AAA, Ferraz AL, Milagres AMF. Enzyme-aided xylan extraction from alkaline-sulfite pretreated sugarcane bagasse and its incorporation onto eucalyptus kraft pulps [Internet]. Carbohydrate research. 2020 ; 492 108003-.[citado 2025 dez. 27 ] Available from: https://doi.org/10.1016/j.carres.2020.108003

• Vancouver

  Cornetti AAA, Ferraz AL, Milagres AMF. Enzyme-aided xylan extraction from alkaline-sulfite pretreated sugarcane bagasse and its incorporation onto eucalyptus kraft pulps [Internet]. Carbohydrate research. 2020 ; 492 108003-.[citado 2025 dez. 27 ] Available from: https://doi.org/10.1016/j.carres.2020.108003

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