Table 7 Steepest ascent for threonine production by P. pentosaceus TL-3
No. | Run | Medium compenet level, g/L | |||
|---|---|---|---|---|---|
Molasses (A) | Meat extract (B) | (NH4)2SO4 (C) | MnSO4 (D) | ||
|  | Δ | 1.38 | 4 | 0.85 | 0.014 |
1 | Origin | 25.08 | 8 | 5.00 | 0.040 |
2 | Origin + Δ | 26.46 | 12 | 5.85 | 0.054 |
3 | Origin + 2Δ | 27.84 | 16 | 6.70 | 0.068 |
4 | Origin + 3Δ | 29.22 | 20 | 7.55 | 0.082 |
5 | Origin + 4Δ | 30.60 | 24 | 8.40 | 0.096 |
6 | Origin + 5Δ | 31.98 | 28 | 9.25 | 0.110 |
7 | Origin + 6Δ | 33.36 | 32 | 10.10 | 0.124 |
8 | Origin + 7Δ | 34.74 | 36 | 10.95 | 0.138 |
9 | Origin + 8Δ | 36.12 | 40 | 11.80 | 0.152 |
10 | Origin + 9Δ | 37.50 | 44 | 12.65 | 0.166 |
11 | Origin + 10Δ | 38.88 | 48 | 13.50 | 0.180 |