Table 1. Chemical properties of nonsteamed rice mash prepared with various amylase products
Enzyme products | Alcohol (%) | Acidity (acetic acid, %) | Amino acidity (glycine, %) | Reducing sugar (%) | Free amino nitrogen (mg/L) |
White koji | 19.69±0.02b1)2) | 0.06±0.00d | 0.04±0.00a | 0.42±0.01a | 1,634.64±5.83b |
Modified nuruk | 20.28±0.01a | 0.05±0.00d | 0.04±0.00a | 0.11±0.01b | 2,707.98±17.35a |
Chung-moo PE3) | 7.82±0.02f | 0.12±0.00a | 0.03±0.00b | 0.09±0.01d | 1,329.85±26.79c |
Nurukzyme R400 | 16.40±0.04c | 0.09±0.00c | 0.02±0.00c | 0.10±0.00cd | 936.26±11.36e |
Sanferm yield | 9.50±0.03e | 0.12±0.00a | 0.03±0.00b | 0.11±0.01bc | 1,234.59±28.78d |
Diazyme X4 | 11.80±0.02d | 0.10±0.00b | 0.02±0.00c | 0.06±0.01e | 636.48±4.05f |
All values are mean±SD (n=3).
a-fMeans with different superscripts in the same column are significantly different at p<0.05 by Duncan’s multiple range test.
Chung-moo PE means Chung-moo purified enzyme.