Table 5 Fermentation stability of mutants with non-detoxified hydrolysate
Mutants | Sugar utilization (%) | Succinic acid (g/L) | Formic acid (g/L) | Acetic acid (g/L) | Acetoin (g/L) | 2,3-BDO (g/L) | Ethanol (g/L) | OD600 |
|---|---|---|---|---|---|---|---|---|
M1 | – | – | 0.72 ± 0.06 | 7.84 ± 0.28 | – | – | – | – |
M2 | 39.05 ± 0.69 | 0.79 ± 0.04 | 1.28 ± 0.11 | 6.19 ± 0.19 | 2.18 ± 0.12 | 14.01 ± 0.64 | 1.01 ± 0.02 | 7.33 ± 0.20 |
M6 | 12.17 ± 0.33 | – | 1.34 ± 0.09 | 7.70 ± 0.37 | 2.01 ± 0.12 | 7.10 ± 0.35 | – | 7.14 ± 0.18 |
M8 | – | – | 0.69 ± 0.01 | 7.69 ± 0.24 | – | – | – | – |
M12 | – | – | 0.68 ± 0.03 | 7.98 ± 0.31 | – | – | – | – |
M13 | 3.80 ± 0.19 | – | 0.69 ± 0.01 | 7.45 ± 0.29 | – | – | – | 5.96 ± 0.08 |
M17 | – | – | 0.70 ± 0.02 | 7.17 ± 0.30 | – | – | – | – |
M18 | – | – | 0.68 ± 0.03 | 7.56 ± 0.11 | – | – | – | – |
M22 | 88.69 ± 1.09 | 1.80 ± 0.09 | 2.18 ± 0.11 | 10.95 ± 0.76 | 2.72 ± 0.07 | 24.32 ± 0.71 | 1.27 ± 0.02 | 7.11 ± 0.12 |
M23 | 18.36 ± 0.59 | 0.46 ± 0.06 | 1.37 ± 0.07 | 8.01 ± 0.15 | 2.29 ± 0.11 | 9.53 ± 0.22 | – | 6.89 ± 0.19 |