TY - JOUR
T1 - The impact of enzyme characteristics on corn stover fiber degradation and acid production during ensiled storage
AU - Ren, Haiyu
AU - Richard, Tom L.
AU - Moore, Kenneth J.
N1 - Funding Information:
The authors acknowledge the assistance of Patricia Patrick with laboratory analysis. This research was supported by the Iowa Energy Center, Iowa State University, Penn State University, and the United States Department of Agriculture.
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2007/4
Y1 - 2007/4
N2 - Ensilage can be used to store lignocellulosic biomass before industrial bioprocessing. This study investigated the impacts of seven commercial enzyme mixtures derived from Aspergillus niger, Trichoderma reesei, and T. longibrachiatum. Treatments included three size grades of corn stover, two enzyme levels (1.67 and 5 IU/g dry matter based on hemicellulase), and various ratios of cellulase to hemicellulase (C:H). The highest C: H ratio tested, 2.38, derived from T. reesei, resulted in the most effective fermentation, with lactic acid as the dominant product. Enzymatic activity during storage may complement industrial pretreatment; creating synergies that could reduce total bioconversion costs.
AB - Ensilage can be used to store lignocellulosic biomass before industrial bioprocessing. This study investigated the impacts of seven commercial enzyme mixtures derived from Aspergillus niger, Trichoderma reesei, and T. longibrachiatum. Treatments included three size grades of corn stover, two enzyme levels (1.67 and 5 IU/g dry matter based on hemicellulase), and various ratios of cellulase to hemicellulase (C:H). The highest C: H ratio tested, 2.38, derived from T. reesei, resulted in the most effective fermentation, with lactic acid as the dominant product. Enzymatic activity during storage may complement industrial pretreatment; creating synergies that could reduce total bioconversion costs.
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U2 - 10.1007/s12010-007-9054-2
DO - 10.1007/s12010-007-9054-2
M3 - Article
C2 - 18478391
AN - SCOPUS:52949085088
SN - 0273-2289
VL - 137-140
SP - 221
EP - 238
JO - Applied Biochemistry and Biotechnology
JF - Applied Biochemistry and Biotechnology
IS - 1-12
ER -