Table 1 Effect of dissolved oxygen and pH on the metabolic responses of A. terreus NRRL1960 cultivated in medium B at 30 °C and 100 rpm during the second phase in the two-phase fermentation
From: Metabolic responses of Aspergillus terreus under low dissolved oxygen and pH levels
%DO | pH | Cella | Itaconate | Fumarate | Ethanol | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Final conc. (g/L) | Yield (g/g) | Final conc. (g/L) | Yield (g/g) | Productivity (g/LÂ h) | Produced at (h) | Final conc. (g/L) | Yield (g/g) | Final conc. (g/L) | Yield (g/g) | ||
10 | 1.85 | 64.40±3.31 | 0.51±0.02 | 22.37±4.48 | 0.49±0.04 | 0.16±0.02 | 108 | 6.30±0.14 | 0.12±0.01 | 1.95±0.01 | 0.04±0.01 |
2.00 | 50.00±0.92 | 0.15±0.02 | 35.65±0.89 | 0.52±0.03 | 0.26±0.02 | 108 | 8.70±0.71 | 0.12±0.01 | 0±0 | 0±0 | |
2.15 | 46.60±2.09 | 0.16±0.05 | 22.39±2.22 | 0.48±0.03 | 0.15±0.05 | 96 | 9.42±0.70 | 0.17±0.02 | 0±0 | 0±0 | |
2.30 | 60.20±3.88 | 0.42±0.09 | 15.86±0.94 | 0.38±0.01 | 0.13±0.03 | 108 | 8.00±0.90 | 0.13±0.01 | 0±0 | 0±0 | |
15 | 1.85 | 44.60±0.09 | 0.31±0.07 | 23.28±5.81 | 0.47±0.01 | 0.19±0.03 | 132 | 4.70±0.23 | 0.08±0.00 | 1.95±0.00 | 0.03±0.00 |
2.00 | 54.00±3.56 | 0.20±0.03 | 22.85±3.08 | 0.40±0.05 | 0.20±0.03 | 120 | 5.43±0.37 | 0.08±0.01 | 0±0 | 0±0 | |
2.15 | 60.50±3.74 | 0.25±0.06 | 8.37±1.21 | 0.23±0.06 | 0.06±0.01 | 132 | 3.18±0.11 | 0.07±0.00 | 0±0 | 0±0 | |
2.30 | 54.70±1.51 | 0.35±0.04 | 8.14±3.26 | 0.25±0.06 | 0.05±0.00 | 132 | 2.22±0.17 | 0.05±0.00 | 3.14±0.01 | 0.07±0.01 | |
20 | 1.85 | 43.00±1.17 | 0.15±0.04 | 14.73±1.75 | 0.33±0.04 | 0.07±0.01 | 132 | 5.84±0.25 | 0.10±0.01 | 0±0 | 0±0 |
2.00 | 52.00±2.10 | 0.22±0.03 | 12.19±1.42 | 0.28±0.01 | 0.08±0.02 | 120 | 6.09±0.28 | 0.09±0.01 | 0±0 | 0±0 | |
2.15 | 62.40±0.44 | 0.34±0.05 | 4.58±2.22 | 0.19±0.04 | 0.04±0.00 | 132 | 4.34±0.17 | 0.07±0.00 | 0±0 | 0±0 | |
2.30 | 54.00±1.83 | 0.04±0.02 | 7.99±1.01 | 0.19±0.01 | 0.06±0.01 | 120 | 4.16±0.31 | 0.07±0.01 | 6.44±0.01 | 0.11±0.01 | |