Table 1. Kinetic parameters of fermentations at various temperatures using freeze-dried wort with freeze-dried biocatalysts in aqueous solution.
|
Wort density °P |
Temperature °C |
t h |
γ(residual sugar) g/L |
ϕ(ethanol) % |
Ethanol productivity g/(L·day) |
Beer productivity g/(L·day) |
|---|---|---|---|---|---|---|
| Freeze-dried free cells | ||||||
| 3.9 | 7 | 600 | 1.6 | 5.4 | 1.7 | 33.6 |
| 4.7 | 7 | 696 | 2.1 | 5.8 | 1.6 | 29.0 |
| 6.9 | 7 | 1122 | 4.5 | 7.7 | 1.3 | 18.0 |
| Freeze-dried immobilized cells | ||||||
| 3.9 | 7 | 552 | 1.1 | 6.0 | 2.1 | 36.5 |
| 4.7 | 7 | 360 | 0.8 | 6.2 | 3.3 | 56.0 |
| 4.7 | 5 | 1708 | 1.5 | 5.7 | 0.6 | 11.8 |
| 4.7 | 2 | 1852 | 2.2 | 5.4 | 0.6 | 10.9 |
| 6.9 | 7 | 1120 | 3.2 | 8.2 | 1.4 | 18.0 |