Modification of cellulose for high glucose generation.

Abstract:

:The influence of introduction of cyanuric chloride on glucose's yield (Y) in acid-catalyzed hydrolysis of microcrystalline cellulose (MCC) has been studied. The content of cyanuric chloride (C) in modified MCCs was determined by X-ray photoelectric spectroscopy. The chemical structures of modified MCCs were analyzed by Fourier transformation-infrared spectroscopy and cross polarization/magic angle spinning (13)C nuclear magnetic resonance. Crystal index (CI) and the ratio (R) representing the sum of content of (1 ̅10) and (110) to that of (200) were calculated based on diffraction intensity in wide angle X-ray diffraction (WAXD). Hydrolysis experiment and WAXD show that Y, CI and R vary with C. The modified MCC containing 3.9 mol% of cyanuric chloride has the highest Y, the highest R and the lowest CI. Variations of CI and R show that the chemical modification changed the proportion of crystal/amorphous and crystal planes, both of which influence glucose's generation in hydrolysis of cellulose.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Jiang X,Gu J,Tian X,Li Y,Huang D

doi

10.1016/j.biortech.2011.10.091

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

473-9

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(11)01579-3

journal_volume

104

pub_type

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