Table 3.
Controlled pH | ||||
Time (h) | pH | Lactic Acid g/L | Citric Acid g/L | Succinic Acid g/L |
0 | 7.00 | 0.02 ± 0.00 | 0.00 ± 0.00 | 0.04 ± 0.00 |
12 | 7.00 | 0.00 ± 0.00 | 2.63 ± 0.02 | 1.96 ± 0.05 |
24 | 7.00 | 0.00 ± 0.00 | 2.67 ± 0.04 | 2.09 ± 0.05 |
Uncontrolled pH | ||||
Time (h) | pH | Lactic Acid g/L | Citric Acid g/L | Succinic Acid g/L |
0 | 6.98 | 0.02 ± 0.00 | 0.00 ± 0.00 | 0.16 ± 0.00 |
12 | 5.01 | 0.00 ± 0.00 | 1.11 ± 0.00 | 2.18 ± 0.02 |
24 | 4.51 | 0.00 ± 0.00 | 2.23 ± 0.052 | 2.35 ± 0.07 |
Data are average values and standard deviations (SD ± less than 10%) of triplicate experiments.