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supramolecular structure of cellulose-rich wood pulps can be a determinative factor for enzymatic hydrolysability

Cellulose (London), 2015, Vol.22 (6), p.3991-4002 [Peer Reviewed Journal]

Springer Science+Business Media Dordrecht 2015 ;Cellulose is a copyright of Springer, (2015). All Rights Reserved. ;ISSN: 0969-0239 ;ISSN: 1572-882X ;EISSN: 1572-882X ;DOI: 10.1007/s10570-015-0766-0

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Title:
supramolecular structure of cellulose-rich wood pulps can be a determinative factor for enzymatic hydrolysability
Author: Aldaeus, Fredrik ; Larsson, Karolina ; Srndovic, Jasna Stevanic ; Kubat, Mikaela ; Karlström, Katarina ; Peciulyte, Ausra ; Olsson, Lisbeth ; Larsson, Per Tomas
Subjects: Average pore size ; Bioorganic Chemistry ; Cellulolytic enzymes ; Cellulose ; Ceramics ; Chemical properties ; Chemistry ; Chemistry and Materials Science ; Composites ; Conversion ; Crystal structure ; Crystalline cellulose ; Crystallinity ; Data analysis ; enzymes ; fiber saturation ; Glass ; Glucose ; hemicellulose ; Lignin ; Mass distribution ; molecular weight ; Multivariate analysis ; Multivariate data analysis ; Natural Materials ; Organic Chemistry ; Original Paper ; Physical Chemistry ; Polydispersity ; Polymer Sciences ; Pore size ; Pore size distribution ; Porosity ; Specific surface ; Specific surface area ; Substrates ; Surface area ; Sustainable Development ; viscosity ; wood ; Wood pulp
Is Part Of: Cellulose (London), 2015, Vol.22 (6), p.3991-4002
Description: The enzymatic hydrolysability of three industrial pulps, five lab made pulps, and one microcrystalline cellulose powder was assessed using commercial cellulolytic enzymes. To gain insight into the factors that influence the hydrolysability, a thorough characterization of the samples was done, including their chemical properties (cellulose content, hemicellulose content, lignin content, and kappa number), their macromolecular properties (peak molar mass, number-average molar mass, weight-average molar mass, polydispersity, and limiting viscosity) and their supramolecular properties (fibre saturation point, specific surface area, average pore size, and crystallinity). The hydrolysability was assessed by determination of initial conversion rate and final conversion yield, with conversion yield defined as the amount of glucose in solution per unit of glucose in the substrate. Multivariate data analysis revealed that for the investigated samples the conversion of cellulose to glucose was mainly dependent on the supramolecular properties, such as specific surface area and average pore size. The molar mass distribution, the crystallinity, and the lignin content of the pulps had no significant effect on the hydrolysability of the investigated samples.
Publisher: Dordrecht: Springer Netherlands
Language: English
Identifier: ISSN: 0969-0239
ISSN: 1572-882X
EISSN: 1572-882X
DOI: 10.1007/s10570-015-0766-0
Source: ProQuest Central

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supramolecular structure of cellulose-rich wood pulps can be a determinative factor for enzymatic hydrolysability

Springer Science+Business Media Dordrecht 2015 ;Cellulose is a copyright of Springer, (2015). All Rights Reserved. ;ISSN: 0969-0239 ;ISSN: 1572-882X ;EISSN: 1572-882X ;DOI: 10.1007/s10570-015-0766-0

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