TABLE 3.
Kinetic parameters of Paracoccus sp. KKU01 grown on sugarcane juice-based medium at initial total sugar concentrations of 30–150 g/L.
| Parameters | Initial sugar (g/L) | ||||
|---|---|---|---|---|---|
| 30 | 60 | 100 | 120 | 150 | |
| Maximum biomass concentration (g/L) | 14.73 | 28.57 | 44.03 | 49.38 | 54.23 |
| Biomass productivity [g/(L·h)]∗ | 0.61 ± 0.11 | 0.60 ± 0.01 | 0.61 ± 0.01 | 0.51 ± 0.01 | 0.45 ± 0.01 |
| Specific growth rate (1/h) | 0.45 ± 0.003 | 0.43 ± 0.10 | 0.34 ± 0.015 | 0.32 ± 0.014 | 0.26 ± 0.038 |
| Sugar consumption (%)∗ | 81.16 ± 12.94 | 95.56 ± 2.99 | 94.82 ± 2.08 | 94.32 ± 2.08 | 86.19 ± 3.13 |
| Sugar consumption rate [g/(L·h)]∗ | 0.96 ± 0.15 | 1.11 ± 0.04 | 1.19 ± 0.02 | 1.08 ± 0.01 | 0.99 ± 0.04 |
| Yield of biomass (g/g-sugar-consumed)∗ | 0.64 ± 0.02 | 0.54 ± 0.04 | 0.51 ± 0.01 | 0.48 ± 0.00 | 0.46 ± 0.01 |
∗calculated using the time at which cell growth reached the highest concentration