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- Title
Xylitol production by Debaryomyces hansenii in brewery spent grain dilute-acid hydrolysate: effect of supplementation.
- Authors
Carvalheiro, Florbela; Duarte, Luís C.; Medeiros, Raquel; Gírio, Francisco M.
- Abstract
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.
- Subjects
BREWING; XYLITOL; FERMENTATION; POLYOLS; SUGAR substitutes; YEAST extract; PLANT extracts; LIQUORS; ALCOHOLIC beverages
- Publication
Biotechnology Letters, 2007, Vol 29, Issue 12, p1887
- ISSN
0141-5492
- Publication type
Article
- DOI
10.1007/s10529-007-9468-5