Table 3. Composition of the mash after the primary fermentation using microbial and enzymatic hydrolysis

Components Microbial(white koji) Enzymatic(saccharification) t-value
pH 3.54±0.032) 4.14±0.02 −25.980*
Total acid (citric acid%) 1.78±0.01 0.30±0.01 170.239*
Total amino acid (glycine%) 0.39±0.01 0.14±0.01 34.435*
Free amino nitrogen (mg/L) 868.68±71.06 172.02±2.45 16.970*
Soluble solid (°Brix) 17.90±0.12 8.90±0.10 102.428*
Reducing sugar (%) 1.38±0.06 10.09±0.10 54.913***
Alcohol (%) 16.17±0.59 16.32±0.03 −0.462NS
Free sugar (mg/L) Fructose 417.48±6.28 151.01±69.85 38.035*
Glucose 52,023.73±318.35 2,997.25±1,414.21 216.261*
Sucrose 812.72±13.53 ND 84.963*
Maltose 573.13±16.22 267.50±116.24 19.307*
Isomaltose ND3) 340.49±154.33 −38.436**
Sum 53,827.06±354.38 3,756.25±1754.63 -
Enzyme activities (U/mL) α-Amylase 1.96±0.64 0.61±0.10 3.574NS
SP1) 6.01±0.12 3.50±0.01 37.239***
SP, Saccharogenic power.
All values are mean±SD (n=3).
ND, not detected.
not significant,
p<0.05
p<0.01
p<0.001.