Table 1 Influence of glucose concentration on sugar utilization and product synthesis in bioreactor
Strain | Maximum titer (g/L) | Product yield (g/g) | % Theoretical yield of ethanol | Rate of total sugar utilization (g/(L.h)) | Rate of ethanol production (g/(L.h)) | ||||
|---|---|---|---|---|---|---|---|---|---|
Cells | Acetate | Ethanol | Cells | Acetate | Ethanol | ||||
6 g/L glucose | |||||||||
SSK42 | 2.69 ± 0.31 | 0.75 ± 0.01 | 19.44 ± 0.85 | 0.07 ± 0.01 | 0.01 ± 0.00 | 0.36 ± 0.05 | 69.94 ± 8.85 | 0.76 ± 0.06 | 0.27 ± 0.01 |
SSK101 | 3.06 ± 0.02 | 0.67 ± 0.08 | 20.13 ± 1.98 | 0.07 ± 0.01 | 0.01 ± 0.00 | 0.37 ± 0.08 | 71.80 ± 15.73 | 0.58 ± 0.07 | 0.21 ± 0.02 |
SSK101 + inhibitors | 2.92 ± 0.06 | 1.17 ± 0.14 | 17.90 ± 3.02 | 0.06 ± 0.00 | 0.02 ± 0.00 | 0.35 ± 0.05 | 68.89 ± 9.26 | 0.35 ± 0.01 | 0.12 ± 0.02 |
12 g/L glucose | |||||||||
SSK42 | 2.90 ± 0.26 | 1.41 ± 0.04 | 20.14 ± 1.20 | 0.06 ± 0.02 | 0.03 ± 0.00 | 0.39 ± 0.01 | 75.16 ± 1.33 | 0.43 ± 0.02 | 0.17 ± 0.01 |
SSK101 | 2.55 ± 0.07 | 0.97 ± 0.03 | 21.37 ± 0.22 | 0.05 ± 0.00 | 0.02 ± 0.00 | 0.40 ± 0.01 | 77.29 ± 2.23 | 0.45 ± 0.02 | 0.18 ± 0.00 |
SSK 101 + inhibitors | 2.64 ± 0.27 | 1.16 ± 0.06 | 20.48 ± 1.47 | 0.05 ± 0.01 | 0.02 ± 0.00 | 0.40 ± 0.04 | 77.54 ± 7.05 | 0.31 ± 0.01 | 0.12 ± 0.01 |