TABLE 2.
OTR (mg/liter/h) | Product yield (g of product formed or oxygen consumed/g glucose consumed)a
|
Biomass formation (107 cells/ml) | Dissolved oxygenc (% of saturation value) | Specific rated
|
||||||
---|---|---|---|---|---|---|---|---|---|---|
Oxygenb | Ethanol | Glycerol | Acetaldehyde | Acetate | Glucose consumption (mg/108 cells/h) | Ethanol formation (mg/108 cells/h) | Oxygen uptake (μg/108 cells/h) | |||
20 | 3.8 (0.0) | 0.47 (0.00) | 0.027 (0.02) | 0.0031 (0.001) | 0.013 (0.001) | 30.5 (1.5) | 0 | 1.48 (0.03) | 0.69 (0.01) | 7.15 (0.02) |
36 | 4.1 (0.0) | 0.47 (0.01) | 0.028 (0.00) | 0.0029 (0.001) | 0.012 (0.002) | 32.5 (1.5) | 20 | 1.49 (0.02) | 0.68 (0.02) | 7.71 (0.03) |
Values in parentheses are standard deviations calculated from two independent experiments.
Values are in mg of oxygen consumed per g of glucose consumed.
Minimal value reached during the culture.
Average of values during the stationary phase.