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dc.contributor.authorLópez-Linares, Juan Carlos-
dc.contributor.authorRomero, Inmaculada-
dc.contributor.authorCara, Cristóbal-
dc.contributor.authorCastro, Eulogio-
dc.contributor.authorMussatto, Solange-
dc.identifier.citationBioresource Technology 247 (2018) 736-743es_ES
dc.description.abstractThis study evaluated the possibility of using rapeseed straw hemicellulosic hydrolysate as a fermentation medium for xylitol production. Two yeast strains, namely Debaryomyces hansenii and Candida guilliermondii, were used for this bioconversion process and their performance to convert xylose into xylitol was compared. Additionally, different strategies were evaluated for the hydrolysate detoxification before its use as a fermentation medium. Assays in semi-defined media containing different combinations of sugars were also performed in order to verify the influence of hexose sugars on xylose metabolism by the yeasts. C. guilliermondii exhibited higher tolerance to the toxic compounds than D. hansenii. Not only the toxic compounds present in the hydrolysate affected the yeast´s performance to convert xylose into xylitol, but glucose also had a negative impact on the bioconversion process. It was not necessary to completely eliminate the toxic compounds to obtain an efficient conversion of xylose into xylitol, mainly by C. guilliermondii.es_ES
dc.relation.ispartofBioresource Technology 247 (2018) 736-743es_ES
dc.subjectRapeseed strawes_ES
dc.subjectHemicellulosic hydrolysatees_ES
dc.subjectSemi-defined mediaes_ES
dc.titleXylitol production by Debaryomyces hansenii and Candida guilliermondii from rapeseed straw hemicellulosic hydrolysatees_ES
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