Production of ethanol from extruded degermed corn grits by a nonconventional fermentation method |
| |
| Affiliation: | 1. Earth Evolution Sciences, Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan;2. Shimane Prefectural Sanbe Museum Sahimeru (Shimane), Ota, Shimane 694-0003, Japan;3. China University of Geosciences (Wuhan), School of Earth Resources, Hongshan District, Wuhan, Hubei 430074, PR China;4. Faculty of Economics, Kumamoto–Gakuen University, 2-5-1 Oe, Kumamoto, Kumamoto 862-8680, Japan |
| |
| Abstract: | Degermed corn grits (DCG) were extruded at 150°C, with a compression rate of 1 : 2, and the materials were fermented by a nonconventional fermentation method. Yields of ethanol from various concentrations (12–30 g/200 ml) of extruded DCG were 0.37–0.38. It was found that the mold brad enzyme was superior to the glucoamylase preparations for ethanol fermentation, but combinedenzyme systems such as a mixture of glucoamylase, acid protease, and cellulolytic enzymes are as efficient in converting the extruded DCG to ethanol as the mold bran enzyme alone. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
