Table 2 Cell growth and SA production of Y. lipolytica PSA02004 and PSA3.0 at different pH
Strain | pH | Fermentation time (h) | Glucose consumption (g/L) | SA titer (g/L) | SA yield (g/g) | SA productivity (g/L/h) | DCW (g/L) | Acetate (g/L) |
|---|---|---|---|---|---|---|---|---|
PSA02004 | 6 | 50 ± 0.5 | 81.5 ± 1.5 | 25.2 ± 0.5 | 0.31 ± 0.01 | 0.50 ± 0.02 | 24.5 ± 1.5 | 11.4 ± 1.0 |
3 | 50 ± 0.5 | 8.6 ± 0.5 | 3.8 ± 0.3 | 0.05 ± 0.01 | 0.08 ± 0.01 | 1.5 ± 0.5 | 4.4 ± 0.5 | |
PSA3.0 | 3 | 34.5 ± 1.0 | 80.9 ± 1.0 | 18.4 ± 0.5 | 0.23 ± 0.01 | 0.53 ± 0.03 | 37.7 ± 2.5 | 0 |