Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/65580

TítuloAqueous solutions of deep eutectic systems as reaction media for the saccharification and fermentation of hardwood xylan into xylitol
Autor(es)Romani, Aloia Perez
Morais, Eduarda S.
Soares, Pedro Miguel Oliveira
Freire, Mara G.
Freire, Carmen S. R.
Silvestre, Armando J. D.
Domingues, Lucília
Palavras-chaveXylitol
Cholinium chloride
Urea
Xylan
Simultaneous saccharification and fermentation
DataSet-2020
EditoraElsevier
RevistaBioresource Technology
CitaçãoRomaní, Aloia; Morais, Eduarda S.; Soares, P.; Freire, Mara G.; Freire, Carmen S. R.; Silvestre, Armando J. D.; Domingues, Lucília, Aqueous solutions of deep eutectic systems as reaction media for the saccharification and fermentation of hardwood xylan into xylitol. Bioresource Technology, 311(123524), 2020
Resumo(s)The aim of this study was to evaluate the effect of aqueous solutions of deep eutectic solvent, Cholinium Chloride:Urea ([Ch]Cl:U) at 50wt% and 20wt%, using different molar ratios (1:1, 2:1 and 1:2) on the enzymatic hydrolysis of xylan for xylose production and its subsequent bioconversion into xylitol using a recombinant yeast strain. The lowest xylan conversion into xylose (45%) was obtained using 1:2 [Ch]Cl:U molar ratio. On the other hand, the 1:1 [Ch]Cl:U molar ratio, at 20wt% in water, improved this conversion, achieving the highest xylose yield (81.4%). The xylitol production was then optimized with [Ch]Cl:U (1:1) at 20wt% by simultaneous saccharification and fermentation process, attaining 23.67g/L, corresponding to 66.04% of xylitol yield. This study reveals the possibility of using xylan solubilized in DES aqueous solutions directly for xylitol production, thus assembling a one-step process.
TipoArtigo
URIhttps://hdl.handle.net/1822/65580
DOI10.1016/j.biortech.2020.123524
ISSN0960-8524
e-ISSN0960-8524
Versão da editorahttp://www.journals.elsevier.com/bioresource-technology/
Arbitragem científicayes
AcessoAcesso aberto
Aparece nas coleções:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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