Table 3 Acetoin production under varied initial concentrations of reducing sugar
Initial concentrations of reducing sugar (g/L) | Acetoin (g/L) | 2,3-Butanediol (g/L) | Acetate (g/L) | Succinic acid (g/L) | Residual reducing sugar concentration (g/L) | Acetoin yield (%) |
|---|---|---|---|---|---|---|
8 | 3.12 ± 0.049 | ND | ND | ND | 0 | 39 |
20 | 8.19 ± 0.037 | 0.92 ± 0.005 | 1.27 ± 0.035 | 0.71 ± 0.025 | 1.92 ± 0.07 | 45.29 |
29 | 11.05 ± 0.02 | 1.4 ± 0.015 | 2.01 ± 0.03 | 1.07 ± 0.025 | 5.02 ± 0.06 | 46.08 |
41 | 15.55 ± 0.06 | 1.89 ± 0.02 | 2.53 ± 0.04 | 1.23 ± 0.04 | 6.85 ± 0.1 | 45.53 |