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Item
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Effects of Thermomechanical Extrusion and Particle Size Reduction on Bioconversion Rate of Corn Fiber for Ethanol Production
http://hdl.handle.net/20.500.12678/0000000053
http://hdl.handle.net/20.500.12678/0000000053b489273e-d048-4f4b-9fa5-4ce9cce5075f
39a68a79-b56b-4ea7-b676-ed38618e77d0
Name / File | License | Actions |
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Publication type | ||||||
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Journal article | ||||||
Upload type | ||||||
Publication | ||||||
Title | ||||||
Title | Effects of Thermomechanical Extrusion and Particle Size Reduction on Bioconversion Rate of Corn Fiber for Ethanol Production | |||||
Language | en | |||||
Publication date | 2014 | |||||
Authors | ||||||
Myat Lin | ||||||
Gi-Hyung Ryu | ||||||
Description | ||||||
The objective of this research was to evaluate the effect of thermomechanical extrusion and particle size (PS) reduction on the bioconversion rate of corn fiber for ethanol production. Extrusion was conducted at a screw speed of 300 rpm, feed rate of 120 g/min, feed moisture content of 30%, melt temperature of 140°C, and die diameter of 3 mm. Raw and extruded corn fiber were separated into three different PSs (1 > PS ≥0.5, 0.5 > PS ≥0.3, and 0.3 > PS ≥0.15 mm) with a wire sieve. Extrusion pretreatment and PS reduction resulted in a significant (P < 0.05) difference in physical properties and color values of extruded corn fiber as a result of accelerated degradation of corn fiber structure. Significant increase in water solubility index of extruded corn fiber at 0.3 > PS ≥0.15 mm was an indication of high degradation of starch during extrusion for higher release of polysaccharides. Moreover, extruded corn fiber at PS reduction 0.3 > PS ≥ 0.15 mm also significantly increased (P < 0.05) ethanol yield (69.11 g/L) and conversion (68.18%) by increasing protein digestibility and free amino nitrogen, which are essential for higher fermentation efficiency. | ||||||
Keywords | ||||||
Bioconversion Rate, Corn Fiber, Ethanol Production | ||||||
Identifier | https://yauor-yau.archive.knowledgearc.net/handle/123456789/316 | |||||
Journal articles | ||||||
4: 366–373 | ||||||
AACC International, Inc. | ||||||
91 | ||||||
Conference papaers | ||||||
Books/reports/chapters | ||||||
Thesis/dissertations |