Table 1
Changes of pH, acidity, glucose, alcohol and total phenolics content in Makgeolli according to different fermentation conditions
Fermentation | Changes of general components |
Temperature (℃) | Periods (day) | PH | Acidity (%) | Glucose content (mg/dL) | Alcohol contents (%) | Total phenolics (mg GAE/g) |
20℃ | 3 | 4.15±0.03b1) | 0.159±0.003c | 273±4.58a | 9.4±0.21b | 2.80±0.05 |
5 | 4.18±0.02b | 0.189±0.006b | 163±1.53b | 9.8±0.15a | 2.76±0.05 |
7 | 4.26±0.02a | 0.202±0.006a | 85±3.51c | 8.8±0.12c | 2.82±0.02 |
25℃ | 3 | 4.23±0.02b | 0.165±0.003c | 219±4.93a | 9.6±0.06 | 2.91±0.06 |
5 | 4.25±0.02b | 0.178±0.002b | 130±2.08b | 9.6±0.15 | 3.01±0.07 |
7 | 4.34±0.01a | 0.214±0.004a | 74±2.65c | 9.5±0.10 | 3.00±0.16 |
30℃ | 3 | 4.04±0.02b | 0.239±0.004b | 67±1.15a | 8.4±0.17c | 2.85±0.14a |
5 | 4.36±0.01a | 0.221±0.002c | 31±2.00b | 9.0±0.12a | 2.36±0.03b |
7 | 3.96±0.02c | 0.428±0.007a | Lowc | 8.8±0.06b | 2.34±0.02b |
Values represent the mean±SD (n=3). Means with different superscript with the column are significantly different (p<0.05) by Duncan’s multiple range test.