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Alteration of biomass composition in response to changing substrate particle size and the consequences for enzymatic hydrolysis of corn bran. / Agger, Jane; Meyer, Anne S.

In: BioResources, Vol. 7, No. 3, 2012, p. 3378-3397.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Agger, Jane; Meyer, Anne S. / Alteration of biomass composition in response to changing substrate particle size and the consequences for enzymatic hydrolysis of corn bran.

In: BioResources, Vol. 7, No. 3, 2012, p. 3378-3397.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Bibtex

@article{060e76491b8046d78a5a4d76a51dca85,
title = "Alteration of biomass composition in response to changing substrate particle size and the consequences for enzymatic hydrolysis of corn bran",
keywords = "Corn bran, Arabinoxylan, Particle size, Enzymatic deconstruction, Biomass, Lignocellulose composition",
publisher = "North Carolina State University",
author = "Jane Agger and Meyer, {Anne S.}",
year = "2012",
volume = "7",
number = "3",
pages = "3378--3397",
journal = "BioResources",
issn = "1930-2126",

}

RIS

TY - JOUR

T1 - Alteration of biomass composition in response to changing substrate particle size and the consequences for enzymatic hydrolysis of corn bran

A1 - Agger,Jane

A1 - Meyer,Anne S.

AU - Agger,Jane

AU - Meyer,Anne S.

PB - North Carolina State University

PY - 2012

Y1 - 2012

N2 - Corn bran is a by-product from corn starch processing. This work examined the effects of changing substrate particle size on enzymatic hydrolysis of both raw and pretreated destarched corn bran. The biomass composition of the corn bran varied between particle size fractions: The largest particles ([1000;710]μm were richer in cellulose and in (arabino) xylan with a relatively low degree of arabinofuranosyl substitutions, whereas the smaller particles ([250;150]μm contained less cellulose, but arabinoxylan with higher arabinofuranosyl substitution (higher A:X ration). Enzymatic hydrolysis yields improved with decreasing substrate particle size, particularly for the raw cron bran. The increased enzymatic yields obtained with decreasing substrate particle sizes were related to the increased substrate surface area but also to the biomass composition. Theoretical estimations of enzymatic reaction efficiency supported that biomass composition affected the enzymatic reaction yields and provided new insight into the impact of substrate particle size on enzymatic biomass hydrolysis.

AB - Corn bran is a by-product from corn starch processing. This work examined the effects of changing substrate particle size on enzymatic hydrolysis of both raw and pretreated destarched corn bran. The biomass composition of the corn bran varied between particle size fractions: The largest particles ([1000;710]μm were richer in cellulose and in (arabino) xylan with a relatively low degree of arabinofuranosyl substitutions, whereas the smaller particles ([250;150]μm contained less cellulose, but arabinoxylan with higher arabinofuranosyl substitution (higher A:X ration). Enzymatic hydrolysis yields improved with decreasing substrate particle size, particularly for the raw cron bran. The increased enzymatic yields obtained with decreasing substrate particle sizes were related to the increased substrate surface area but also to the biomass composition. Theoretical estimations of enzymatic reaction efficiency supported that biomass composition affected the enzymatic reaction yields and provided new insight into the impact of substrate particle size on enzymatic biomass hydrolysis.

KW - Corn bran

KW - Arabinoxylan

KW - Particle size

KW - Enzymatic deconstruction

KW - Biomass

KW - Lignocellulose composition

JO - BioResources

JF - BioResources

SN - 1930-2126

IS - 3

VL - 7

SP - 3378

EP - 3397

ER -