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Sugarcane bagasse pretreated by different technologies used as support and carbon source in solid-state fermentation by Aureobasidium pullulans LB83 to produce bioemulsifier

Rogger Alessandro Mata Costa Silvio Silverio da Silva; Daylin Rubio-Ribeaux; Bruna Curry Carneiro; Paulo Marcelino Franco; GEISSY de Azevedo Mendes; Isis Lee Silva; Virgílio de Carvalho dos Anjos; Julio Cesar Santos; Till Tiso

Biomass conversion and biorefinery p.1-17, 2023

2023

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  • Título:
    Sugarcane bagasse pretreated by different technologies used as support and carbon source in solid-state fermentation by Aureobasidium pullulans LB83 to produce bioemulsifier
  • Autor: Rogger Alessandro Mata Costa
  • Silvio Silverio da Silva; Daylin Rubio-Ribeaux; Bruna Curry Carneiro; Paulo Marcelino Franco; GEISSY de Azevedo Mendes; Isis Lee Silva; Virgílio de Carvalho dos Anjos; Julio Cesar Santos; Till Tiso
  • Assuntos: BIOTECNOLOGIA
  • É parte de: Biomass conversion and biorefinery p.1-17, 2023
  • Notas: Disponível em: https://doi.org/10.1007/s13399-023-03896-5. Acesso em: 03 ago. 2023.
  • Descrição: Bioemulsifier production by Aureobasidium pullulans LB83 from pretreated sugarcane bagasse was evaluated in solid-state fermentation. Alkaline (0.2 mol.L−1 NaOH; 12 min) and hydrodynamic cavitation (0.5 mol.L−1 NaOH, 25 min) pretreatments showed a maximum lignin removal of 55.1 % and 44.7 %, respectively. Pretreatment biomass effectivity was assessed by X-ray diffraction, FT-MIR, FTIR-NIR, and RAMAN techniques. Maximum kerosene emulsification indexes of 65.8 % and 41.3 % were obtained in solid-state fermentation, respectively, for alkaline and hydrodynamic cavitation pretreated sugarcane bagasse. Synthesis of cellulases was observed in fermentation, showing maximum values of endoglucanase and exoglucanase, respectively, of 2.25 U.g−1 and 1.39 U.g−1, for alkaline pretreated sugarcane bagasse, and 2.43 U.g−1 and 1.45 U.g−1, for hydrodynamic cavitation-pretreated sugarcane bagasse. The biomolecule was characterized as a mixture of mannitol and arabitol-type liamocin. Microorganism was able to produce bioemulsifier using sugarcane bagasse as support and carbon source in solid-state fermentation, thus showing the potential of this system to obtain value-added products from this biomass.
  • Data de criação/publicação: 2023
  • Formato: p. 1-17.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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