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Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22

Wang, Yujue ; Cao, Weifeng ; Luo, Jianquan ; Wan, Yinhua

Bioresource Technology, August 2018, Vol.261, pp.342-349 [Periódico revisado por pares]

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  • Título:
    Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22
  • Autor: Wang, Yujue ; Cao, Weifeng ; Luo, Jianquan ; Wan, Yinhua
  • Assuntos: Lactic Acid ; Bacillus Coagulans ; Lignocellulosic Hydrolysates ; Ratios of Hexose Versus Pentose ; Oxidant-Reductive Potential ; Agriculture ; Engineering ; Chemistry
  • É parte de: Bioresource Technology, August 2018, Vol.261, pp.342-349
  • Descrição: The aim of this study was to investigate the feasibility of utilizing different lignocellulosic hydrolysates with various hexose versus pentose (H:P) ratios to produce lactic acid (LA) from IPE22 by fermentations with single and mixed sugar. In single sugar utilization, glucose tended to promote LA production, and xylose preferred to enhance cell growth. In mixed sugar utilization, glucose and pentose were consumed simultaneously when glucose concentration was lower than 20 g/L, and almost the same concentration of LA (50 g/L) was obtained regardless of the differences of H:P values. Finally, LA production from corn cob hydrolysates (CCH) contained 60 g/L mixed sugar verified the mechanisms found in the fermentations with simulated sugar mixture. Comparing with single glucose utilization, CCH utilization was faster and the yield of LA was not significantly affected. Therefore, the great potential of producing LA with lignocellulosic materials by ...
  • Idioma: Inglês

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