Table 1. Composition of mash used in microbial and enzymatic hydrolysis fermentation

Raw materials Microbial Enzymatic
Primary Secondary Primary Secondary
White koji (g) 345.0 - - -
Rice (g) - - 345.0 -
α-Amylase (mL) - - 1.930 0.930
Glucoamylase (mL) - - 1.930 0.930
β-Glucosidase (mL) - - - 3.510
Sweet potato (g) (steamed or not-) - 1,725 - 1,725
Dry yeast (g) 0.960 - 0.960 -
Water (mL) 0.621 0.828 0.621 0.828