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Extrusion with Thermostable α-amylase Injection as Pretreatment Method for Ethanol Production from Corn Starch
http://hdl.handle.net/20.500.12678/0000000256
8ac149e8-04a6-4681-ae57-d3b7a4e8a3c3
f2ff38c4-7797-4a3a-b38a-fab9e139a5e6
Name / File | License | Actions | |
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Publication type | Journal article | |||||
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Upload Type | Publication | |||||
Title | ||||||
Extrusion with Thermostable α-amylase Injection as Pretreatment Method for Ethanol Production from Corn Starch | ||||||
en | ||||||
Publication date | 2013 | |||||
Authors | ||||||
Myat Lin | ||||||
Gi-Hyung Ryu | ||||||
Description | ||||||
Pretreatment technologies have been developed to increase the bio conversion rate of biomass into fermentable sugar. The objective of this research was to investigate the effect of extrusion with thermostable α-amylase injection at different melt temperatures 95, 115 and 135°C on functional properties, ethanol content and conversion (%) ofcorn starch extrudates. Saccharomyces cerevisae (ATCC 24858) was used for ethanol production. In the present study, significant increase in ethanol production was achieved by the injection of thermostable α-amylase during extrusion process at melt temperature 115°C. The data clearly showed that thermostable α-amylase injection gave significantly increased (p<0.05) ethanol content at melt temperature 115°C from fermentation period from 24 to 48 hr. Industrial bio-ethanol production by direct fermentation following extrusion with thermostable α-amylase injection and omitting the saccharification step will be very effective in reducing ethanol production costs in countries like U.S.Therefore, ethanol production from extruded corn starch with thermostable α amylase injection is a significant finding that could be applied to improve bioconversion rate for ethanol production. | ||||||
Keywords | ||||||
Extrusion process | ||||||
Keywords | ||||||
Thermostable α-amylase | ||||||
Keywords | ||||||
Corn starch | ||||||
Keywords | ||||||
Ethanol | ||||||
Journal articles | ||||||
Kongju National University | ||||||
Journal of Microbial & Biochemical Technology;Volume 5(2): 047-053 | ||||||
Conference papaers | ||||||
Books/reports/chapters | ||||||
Thesis/dissertations |