Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/55609

TítuloOne-step process for producing prebiotic arabino-xylooligosaccharides from Brewer's spent grain employing Trichoderma species
Autor(es)Amorim, Cláudia
Silvério, Sara C.
Rodrigues, L. R.
Palavras-chaveAgro-residues
Prebiotic
Xylooligosaccharides
Brewers spent grain
Trichoderma
Data2019
EditoraElsevier
RevistaFood Chemistry
CitaçãoAmorim, Cláudia; Silvério, Sara C.; Rodrigues, Lígia R., One-step process for producing prebiotic arabino-xylooligosaccharides from Brewer's spent grain employing Trichoderma species. Food Chemistry, 270, 86-94, 2019
Resumo(s)Xylooligosaccharides (XOS) are prebiotic nutraceuticals that can be sourced from lignocellulosic biomass, such as agro-residues. This study reports for the first time an optimization study of XOS production from agro-residues by direct fermentation using two Trichoderma species. A total of 13 residues were evaluated as potential substrates for single-step production. The best results were found for Trichoderma reesei using brewers spent grain (BSG) as substrate. Under optimal conditions (3 days, pH 7.0, 30°C and 20 g/L of BSG), a production yield of 38.3 ± 1.8 mg/g (xylose equivalents/g of BSG) was achieved. The obtained oligosaccharides were identified as arabino-xylooligosacharides (AXOS) with degree of polymerization from 2 to 5. One-step fermentation proved to be a promising strategy for AXOS production from BSG, presenting a performance comparable with the use of commercial enzymes. This study provides new insights towards the bioprocess integration, enabling further developments of low-cost bioprocesses for the production of these valuable compounds.
Tipoarticle
DescriçãoSupplementary data associated with this article can be found, in the online version, at https://doi.org/10.1016/j.foodchem.2018.07.080.
URIhttp://hdl.handle.net/1822/55609
DOI10.1016/j.foodchem.2018.07.080
ISSN0308-8146
e-ISSN0308-8146
Versão da editorahttp://www.elsevier.com/locate/issn/03088146
Arbitragem científicayes
AcessoopenAccess
Aparece nas coleções:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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