Xylitol production by Debaryomyces hansenii in brewery spent grain dilute-acid hydrolysate: effect of supplementation

@article{Carvalheiro2007XylitolPB,
  title={Xylitol production by Debaryomyces hansenii in brewery spent grain dilute-acid hydrolysate: effect of supplementation},
  author={Florbela Carvalheiro and Lu{\'i}s C. Duarte and Raquel Campos de Medeiros and Francisco M. G{\'i}rio},
  journal={Biotechnology Letters},
  year={2007},
  volume={29},
  pages={1887-1891}
}
A brewery spent-grain hemicellulosic hydrolysate was used for xylitol production by Debaryomyces hansenii. Addition of 6 g yeast extract/l increased the xylitol yield to 0.57 g/g, and productivity to 0.51 g/l h that were, respectively, 1.4 -and 1.8-times higher than the values obtained with non-supplemented hydrolysate. When corn steep liquor was combined with 3 g yeast extract/l, the highest xylitol yield, 0.58 g/g, was obtained with a similar productivity. 

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