Table 1 Production of metabolites under different CSL concentrations with 20 g/L crude glycerol
Yeast extract (1 g/L) | CSL (%) | |||||||
|---|---|---|---|---|---|---|---|---|
0.0 | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 | ||
Biomass (g/L) | 2.3 | 2.1 | 2.2 | 2.3 | 2.3 | 2.0 | 1.9 | 1.7 |
Consumption glycerol (g/L) | 20.0 | 20.0 | 20.0 | 20.0 | 19.5 | 18.5 | 18.1 | 18.0 |
1,3-PDO (g/L) | 8.3 ± 0.1 | 7.4 ± 0.2 | 7.8 ± 0.2 | 8.2 ± 0.2 | 7.7 ± 0.3 | 7.3 ± 0.4 | 7.3 ± 0.3 | 6.6 ± 05 |
2,3-BDO (g/L) | 2.2 | 1.9 | 2.3 | 2.5 | 2.5 | 2.9 | 3.2 | 3.6 |
Ethanol (g/L) | 1.4 | 1.3 | 1.3 | 1.5 | 1.6 | 1.9 | 1.9 | 2.1 |
Acetate (g/L) | 1.7 | 1.5 | 1.9 | 2.0 | 2.1 | 2.1 | 2.1 | 2.2 |
Succinate (g/L) | 0.69 | 0.4 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 |
1,3-PD yield (moL/moL) | 0.50 | 0.45 | 0.47 | 0.50 | 0.48 | 0.48 | 0.48 | 0.44 |