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Please use this identifier to cite or link to this item:
http://hdl.handle.net/2239/30970
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| Title: | Native or raw starch digestion: a key step in energy efficient biorefining of grain. |
| Authors: | Robertson, G.H.
Wong, D.W.S.
Lee, C.C.
Wagschal, K.
Smith, M.R.
Orts, W.J.
USDA, ARS |
| Keywords: | raw starch
small grains
starch
enzymatic hydrolysis
alpha-amylase
glucan 1,4-alpha-glucosidase
saccharification
fermentation
sugars
glucose
alcoholic fermentation
ethanol
heat treatment
biofuels
ethanol production |
| Issue Date: | 17-Oct-2007 |
| Description: | Improved molecular disassembly and depolymerization of grain starch to glucose are key to reducing energy use in the bioconversion of glucose to chemicals, ingredients, and fuels. In fuel ethanol production, these biorefining steps use 10-20% of the energy content of the fuel ethanol. The need to minimize energy use and to raise the net yield of energy can be met by replacing high-temperature, liquid-phase, enzymatic digestion with low temperature, solid-phase, enzymatic digestion. Also called cold hydrolysis, the approach is a step toward a "green" method for the production of fuel ethanol. There has been substantial prior and increased recent interest in this approach that is presented in this first review of the subject. We include incentives, developmental research, fundamental factors of raw starch digestion, and novel approaches in enzymology and processing. The discussion draws on resources found in enzymology, engineering, plant physiology, cereal chemistry, and kinetics. |
| URI: | http://seekspace.resip.ac.cn/handle/2239/30970 |
| Other Identifiers: | http://seekspace.resip.ac.cn/handle/10113/913 |
| Appears in Collections: | 网络开放学术资源
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