Adsorption of cellobiohydrolases I onto lignin fractions from dilute acid pretreated Broussonetia papyrifera
- Hubei University of Technology, Wuhan (China). School of Pulp & Paper Engineering; South China University of Technology, Guangzhou (China). State Key Laboratory of Pulp and Paper Engineering; Univ. of Tennessee, Knoxville, TN (United States). Department of Chemical and Biomolecular Engineering
- Hubei University of Technology, Wuhan (China). School of Pulp & Paper Engineering
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Joint Institute for Biological Sciences, Biosciences Division
- Univ. of Tennessee, Knoxville, TN (United States). Department of Chemical and Biomolecular Engineering
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Joint Institute for Biological Sciences, Biosciences Division; Univ. of Tennessee, Knoxville, TN (United States). Department of Chemical and Biomolecular Engineering and Department of Forestry, Wildlife and Fisheries, Center of Renewable Carbon
- National Renewable Energy Lab. (NREL), Golden, CO (United States). aragausk@utk.edu
Broussonetia papyrifera, known as paper mulberry, is a potential feed stock for bioethanol production because of its cellulose-rich composition. Lignin in dilute acid pretreated Broussonetia papyrifera was fractionated to three different fractions, and their physiochemical properties were determined by FT-IR, GPC and NMR analyses. Different structural characteristics were observed from each lignin fraction. Cellobiohydrolases I (CBH) adsorption to each lignin was understood by the lignin properties. The results showed that aliphatic hydroxyl groups in lignin showed positive correlations with the maximum binding ability of CBH onto lignin samples. Also, the contents of phenolic compounds such as p-hydroxyphenyl benzoate (PB), syringyl (S) and guaiacyl (G) units in the lignin influenced their CBH binding.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- Grant/Contract Number:
- AC05-00OR22725; AC36-08GO28308
- OSTI ID:
- 1394353
- Alternate ID(s):
- OSTI ID: 1390033
- Report Number(s):
- NREL/JA-5100-70099; 102294
- Journal Information:
- Bioresource Technology, Vol. 244, Issue P1; ISSN 0960-8524
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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