Table 1
pH, titratable acidity and composition of organic acids in Omija fruits and Omija-cheong
| Day | pH | Titratable acidity (%) | Organic acid (g/L) |
| Citric acid | Malic acid | Succinic acid |
| Fresh fruit1) | 3.07±0.02b2) | 1.16±0.02a | 19.2±1.62c | 6.30±0.63c | 159±5.40b |
| 5 | 2.96±0.08a | 1.18±0.06a | 7.91±0.16a | 2.64±0.23a | 77.6±1.31a |
| 19 | 2.93±0.04a | 1.90±0.34b | 15.7±1.55b | 5.26±0.81b | 154±3.85b |
| 37 | 2.92±0.04a | 2.26±0.19c | 22.2±0.95d | 9.25±0.32d | 194±4.45c |
| 68 | 2.87±0.05a | 2.67±0.11d | 23.2±0.49d | 10.5±0.36e | 209±4.91d |
| 92 | 2.90±0.05a | 2.70±0.13d | 23.4±0.46d | 10.8±0.68e | 215±0.85d |
| 138 | 2.88±0.03a | 2.71±0.12d | 23.2±0.53d | 10.2±0.48e | 222±2.05e |
Soluble extract from fresh Omija fruits, a raw material for Omija-cheong processing.
The values with different superscripts within a column are significantly different (p<0.05) by Duncan’s multiple range tests