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Tailoring Celluclast (R) Cocktail's Performance towards the Production of Prebiotic Cello-Oligosaccharides from Waste Forest Biomass
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-3687-6173
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-1336-2396
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2019 (English)In: Catalysts, E-ISSN 2073-4344, Vol. 9, no 11, article id 897Article in journal (Refereed) Published
Abstract [en]

The main objective of this study focused on the sustainable production of cellobiose and other cellulose-derived oligosaccharides from non-edible sources, more specifically, from forest residues. For this purpose, a fine-tuning of the performance of the commercially available enzyme mixture Celluclast® was conducted towards the optimization of cellobiose production. By enzyme reaction engineering (pH, multi-stage hydrolysis with buffer exchange, addition of β-glucosidase inhibitor), a cellobiose-rich product with a high cellobiose to glucose ratio (37.4) was achieved by utilizing organosolv-pretreated birch biomass. In this way, controlled enzymatic hydrolysis combined with efficient downstream processing, including product recovery and purification through ultrafiltration and nanofiltration, can potentially support the sustainable production of food-grade oligosaccharides from forest biomass. The potential of the hydrolysis product to support the growth of two Lactobacilli probiotic strains as a sole carbon source was also demonstrated

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 9, no 11, article id 897
Keywords [en]
non-digestible oligosaccharides, Celluclast®, cellobiose, conduritol-B-epoxide, prebiotic, lignocellulose enzyme hydrolysis
National Category
Bioprocess Technology
Research subject
Biochemical Process Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-77851DOI: 10.3390/catal9110897ISI: 000502278800023Scopus ID: 2-s2.0-85078137358OAI: oai:DiVA.org:ltu-77851DiVA, id: diva2:1396002
Note

Godkänd;2020;Nivå 0;2020-02-25 (johcin)

Available from: 2020-02-25 Created: 2020-02-25 Last updated: 2020-04-20Bibliographically approved

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Karnaouri, Anthi C.Matsakas, LeonidasMuraleedharan, Madhu NairChristakopoulos, PaulRova, Ulrika

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