Table 3 Organic acid compositionof fermented black soybean of according to cultivars (%, dry basis)
| Organic acid | Cultivars |
| Cheongja-3 | Cheongja-4 | Socheongja |
| Acetic acid | 4.67±0.05A1)c2) | 3.21±0.03Bc | 3.11±0.03BBc |
| Citric acid | 80.99±0.81Ba | 87.56±0.88Aa | 81.30±0.79Ba |
| Fumaric acid | 14.01±0.14Bb | 8.93±0.10Cb | 15.29±0.15Ab |
| Lactic acid | 0.34±0.01Ad | 0.30±0.01Ad | 0.30±0.01Ad |
| Succinic acid | ND3) | ND | ND |
1) Any means in the same row followed by the capital letter (A-C) are not significantly different by Duncan's multiple range test (p<0.05).
2) Any means in the same column followed by the small letter (a-m) are not significantly different by Duncan's multiple range test (p<0.05).
3) ND: not detected