Xylitol-Sweetener Production from Barley Straw: Optimization of Acid Hydrolysis Condition with the Energy Consumption Simulation (2018)
- Authors:
- USP affiliated authors: MORAES, ELISÂNGELA DE JESUS CÂNDIDO - EEL ; FELIPE, MARIA DAS GRAÇAS DE ALMEIDA - EEL ; SILVA, JOÃO BATISTA DE ALMEIDA E - EEL
- Unidade: EEL
- DOI: 10.1007/s12649-018-0501-9
- Subjects: ENERGIA; HIDRÓLISE
- Keywords: Hydrolysis; Barley-straw; Candida guilliermondii; Hemicellulose; Xylitol; Energy
- Agências de fomento:
- Language: Inglês
- Abstract: Purpose Barley straw from brewing process is an attractive and renewable raw material for the production of biofuel and useful chemicals, such as xylitol. It is necessary to determine the best conditions of biomass hydrolysis and fermentation for boosting the incorporation of this biomass in a biorefinery. Methods We optimized the conditions for acid hydrolysis of barley straw to obtain a hemicellulosic hydrolysate rich in xylose with low energy consumption. Moreover, the energy consumption was simulated per quantity of xylose extracted. In order to obtain a hydrolysate with the highest xylose extraction efficiency (99%), low inhibitors concentration and energy consumption (8.41 KW/Kg Xylose), we used 1.0% H2SO4 (w/v) at 120 °C, with 1:10 dry-weight/acid solution for 40 min. We also optimized the medium composition to improve xylitol production by Candida guilliermondii. Results The hemicellulosic hydrolysate was used as a fermentation medium and the best condition showing the highest xylitol volumetric productivity (0.69 g L−1 h−1) by C. guilliermondii was found to be 60 g L−1 initial xylose supplemented with 1.5 g L−1 (NH4)2SO4, 0.75 CaCl2 and 8.75 g L−1 rice bran extract. Conclusions It can be concluded that barley straw can be used in biorefinery, wherein the hemicellulose fraction would be utilized to produce xylitol and the cellulosic fraction (more accessible to enzymatic hydrolysis after pre-treatment) would be used for the production of cellulosic ethanol.
- Imprenta:
- Source:
- Título: Waste and Biomass Valorization
- ISSN: 1877-2641
- Volume/Número/Paginação/Ano: v. 11, p. 1837–1849, 2018
- Este periódico é de acesso aberto
- Este artigo NÃO é de acesso aberto
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ABNT
MORAES, Elisângela de Jesus Cândido et al. Xylitol-Sweetener Production from Barley Straw: Optimization of Acid Hydrolysis Condition with the Energy Consumption Simulation. Waste and Biomass Valorization, v. 11, p. 1837–1849, 2018Tradução . . Disponível em: https://doi.org/10.1007/s12649-018-0501-9. Acesso em: 13 fev. 2026. -
APA
Moraes, E. de J. C., Silva, D. D. V., Dussán, K. J., Tesche, L. S., Silva, J. B. de A. e, Rai, M., & Felipe, M. das G. de A. (2018). Xylitol-Sweetener Production from Barley Straw: Optimization of Acid Hydrolysis Condition with the Energy Consumption Simulation. Waste and Biomass Valorization, 11, 1837–1849. doi:10.1007/s12649-018-0501-9 -
NLM
Moraes E de JC, Silva DDV, Dussán KJ, Tesche LS, Silva JB de A e, Rai M, Felipe M das G de A. Xylitol-Sweetener Production from Barley Straw: Optimization of Acid Hydrolysis Condition with the Energy Consumption Simulation [Internet]. Waste and Biomass Valorization. 2018 ; 11 1837–1849.[citado 2026 fev. 13 ] Available from: https://doi.org/10.1007/s12649-018-0501-9 -
Vancouver
Moraes E de JC, Silva DDV, Dussán KJ, Tesche LS, Silva JB de A e, Rai M, Felipe M das G de A. Xylitol-Sweetener Production from Barley Straw: Optimization of Acid Hydrolysis Condition with the Energy Consumption Simulation [Internet]. Waste and Biomass Valorization. 2018 ; 11 1837–1849.[citado 2026 fev. 13 ] Available from: https://doi.org/10.1007/s12649-018-0501-9 - Brewery waste reuse for protease production by lactic acid fermentation
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Informações sobre o DOI: 10.1007/s12649-018-0501-9 (Fonte: oaDOI API)
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