Table 3 Specific growth, substrate consumption, product formation rates and carbon balance of Saccharomyces cerevisiae cultured on [1-13C] glucose in chemostat at different growth rates for metabolic flux analysis.
Specific rate (C mmol h-1) | Purely Oxidative Growth (μ = 0.15 h-1) | Respiro-Fermentative Growth (μ = 0.30 h-1) | Mainly Fermentative Growth (μ = 0.40 h-1) |
|---|---|---|---|
Glucose | - 0.96 | - 1.88 | - 2.30 |
Organic acids | 0.01 | 0.01 | 0.01 |
Ethanol | 0.00 | 0.31 | 0.82 |
Glycerol | 0.01 | 0.05 | 0.08 |
Acetate | 0.00 | 0.09 | 0.04 |
CDM | 0.55 | 0.69 | 0.67 |
CO2 | 0.37 | 0.66 | 0.64 |
sum of substrates | - 0.96 | - 1.88 | - 2.30 |
sum of products | 0.94 | 1.81 | 2.26 |
carbon recovery [%] | 97.9 | 96.3 | 98.3 |