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Cellulases, Hemicellulases, and Pectinases
2014The study of cellulases is important from the standpoint of microbial conversion of biomass to feeds and chemical feed stock. The complex structure of hemicelluloses has dictated a correspondingly diverse array of hemicellulases. The concentration (or actually dilution) of enzyme preparation required to effect this level of depolymerization is ...
Michael E. Himmel +3 more
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Effects of Cellulases and Hemicellulase on the Alkaline Solubility of Dissolving Pulps
Holzforschung, 1998Softwood and hardwood dissolving pulps were treated with purified Trichoderma reesei endoglucanases, cellobiohydrolases and hemicellulases. Endoglucanase II decreased the viscosity and increased the alkaline solubility of the pulps most efficiently. The effect of EG II was not clearly improved by the action of hemicellulases or other cellulases.
Rahkamo, Leena +5 more
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Hydrolysis of different chain length xylooliogmers by cellulase and hemicellulase
Bioresource Technology, 2011Commercial cellulase complexes produced by cellulolytic fungi contain enzyme activities that are capable of hydrolyzing non-cellulosic polysaccharides in biomass, primarily hemicellulose and pectins, in addition to cellulose. However, xylanase activities detected in most commercial enzyme preparations have been shown to be insufficient to completely ...
Qing, Qing, Charles E, Wyman
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Biochemical and Biophysical Research Communications - BBRC
The global transition toward sustainable bioprocesses and circular bioeconomy models has intensified interest in the efficient valorization of lignocellulosic biomass as a renewable feedstock.
Sharon Mano Pappu J +2 more
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The global transition toward sustainable bioprocesses and circular bioeconomy models has intensified interest in the efficient valorization of lignocellulosic biomass as a renewable feedstock.
Sharon Mano Pappu J +2 more
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Cellulase-hemicellulase complex of Phoma hibernica
1988Publisher Summary The walls of plant cells contain a variety of polysaccharide polymers. These polymers are cross-linked and form compact structures. A number of substrate-specific hydrolases that degrade cellulose, hemicelluloses, and pectins have been described from fungi and bacteria.
Henryk Urbanek, Jadwiga Zalewska-Sobczak
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Immobilization of Cellulase and Hemicellulases on Porous Glass Beads
Journal of ASTM International, 2010Abstract Experiments on immobilization of cellulase complex (cellulase, Novozymes) and enzyme complex (cellulases and hemicellulases, Novozymes) were performed on porous Siran™ beads using covalent and non-covalent bonding methods. Free enzyme complex was used for hydrolyzing various pretreated biomass such as corn stover, distillers ...
Pavani Mandali, Basil K. Dalaly
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Proteomics-based Compositional Analysis of Complex Cellulase–Hemicellulase Mixtures
Journal of Proteome Research, 2011Efficient deconstruction of cellulosic biomass to fermentable sugars for fuel and chemical production is accomplished by a complex mixture of cellulases, hemicellulases, and accessory enzymes (e.g., >50 extracellular proteins). Cellulolytic enzyme mixtures, produced industrially mostly using fungi like Trichoderma reesei, are poorly characterized in ...
Shishir P S, Chundawat +6 more
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A mixture of pure cellulase, hemicellulase and pectinase improves broiler performance
British Poultry Science, 20051. The effects of a mixture of pure enzymes (cellulase, hemicellulase and pectinase) and a commercial enzyme, Energex, were examined on performance and metabolisabilities in broiler chicks given a maize-soybean meal diet. Composition of the mixed enzyme was similar to Energex except that protease was not present. 2.
F, Saleh +3 more
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Preparation and characterization of reusable magnetic combi-CLEA of cellulase and hemicellulase
Enzyme and Microbial Technology, 2019Cross-linked enzyme aggregate (CLEA) is a technology to overcome the limitation of enzymes for its application in chemical industries. The inability of repeated use of enzymes, stability and ease of separation from reaction mixture limits its applications.
Mohammad Perwez +2 more
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Cellulase and hemicellulase from Aspergillus fumigatus fresenius
1988Publisher Summary Aspergillus fumigatus was reported to make full use of lignocellulosic materials. there have been a number of reports of A. fumigatus as a cellulase and xylanase producer that may be linked to the fact that it is now claimed that there is far less risk attached to the organism than was originally thought. A.
John C. Stewart, John Heptinstall
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