Table 1 Metabolite profile of S. cerevisiae in control, phenolics-free yeast minimal mineral medium control medium in comparison with S. cerevisiae presence of each of 1.1 mM coniferyl aldehyde, 1.8 mM ferulic acid and 9.7 mM p-coumaric acid
|  | Titre at the end of cultivation (g/l) | Titre at the end of respirofermentative phase (g/l) | Yield (g/g) | µmax (h−1) | Respirofermentative | Respiratory |
|---|---|---|---|---|---|---|
q (gg−1 h−1) | q (gg−1 h−1) | |||||
Yeast minimal mineral medium | ||||||
 Glucose |  | 0.01 ± 0.005 | 1 | 0.37 ± 0.02 | 3.94 ± 0.04 |  |
 Ethanol |  | 6.87 ± 0.1 | 0.39 ± 0.011 |  | 1.53 ± 0.02 |  |
 Biomass | 10.24 ± 0.03 | 2.13 ± 0.07 | 0.11 ± 0.019 |  | 0.37 ± 0.02 | 0.08 ± 0.001 |
 Glycerol | 0.06 ± 0.06 | 1.52 ± 0.1 | 0.08 ± 0.006 |  | 0.30 ± 0.05 |  |
 Acetate |  | 0.37 ± 0.02 | 0.01 ± 0.001 |  | 0.03 ± 0.005 |  |
 CO2 | 15.18 ± 0.03 | 2.99 ± 0.1 | 0.30 ± 0.012 |  | 1.56 ± 0.12 |  |
 Coniferyl aldehyde | ||||||
 Glucose |  | 0.04 ± 0.005 | 1 | 0.41 ± 0.07 | 4.68 ± 0.10 |  |
 Ethanol |  | 5.73 ± 0.06 | 0.40 ± 0.01 |  | 1.87 ± 0.10 |  |
 Biomass | 13.44 ± 0.06 | 1.39 ± 0.03 | 0.08 ± 0.009 |  | 0.35 ± 0.01 | 0.09 ± 0.005 |
 Glycerol |  | 1.18 ± 0.02 | 0.08 ± 0.006 |  | 0.37 ± 0.04 |  |
 Acetate |  | 0.09 ± 0.04 | 0.01 ± 0.001 |  | 0.03 ± 0.002 |  |
 CO2 | 16.25 ± 0.07 | 4.72 ± 0.03 | 0.34 ± 0.005 |  | 1.59 ± 0.12 |  |
Ferulic acid | ||||||
 Glucose |  | 0.01 ± 0.005 | 1 | 0.35 ± 0.02 | 6.82 ± 0.08 |  |
 Ethanol | 0.08 ± 0.02 | 6.57 ± 0.001 | 0.36 ± 0.005 |  | 2.44 ± 0.02 |  |
 Biomass | 9.41 ± 0.05 | 1.35 ± 0.014 | 0.06 ± 0.008 |  | 0.41 ± 0.04 | 0.11 ± 0.006 |
 Glycerol | 0.18 ± 0.00 | 1.35 ± 0.05 | 0.08 ± 0.002 |  | 0.51 ± 0.04 |  |
 Acetate |  | 0.12 ± 0.006 | 0.01 ± 0.001 |  | 0.05 ± 0.002 |  |
 CO2 | 20.05 ± 0.1 | 3.34 ± 0.006 | 0.29 ± 0.01 |  | 2.29 ± 0.1 |  |
p-Coumaric acid | ||||||
 Glucose |  | 0.02 ± 0.02 | 1 | 0.29 ± 0.02 | 2.95 ± 0.07 |  |
 Ethanol | 0.02 ± 0.02 | 5.4 ± 0.05 | 0.37 ± 0.011 |  | 1.11 ± 0.05 |  |
 Biomass | 8.19 ± 0.02 | 1.93 ± 0.05 | 0.14 ± 0.07 |  | 0.29 ± 0.02 | 0.09 ± 0.003 |
 Glycerol | 0.07 ± 0.03 | 1.32 ± 0.02 | 0.12 ± 0.002 |  | 0.31 ± 0.04 |  |
 Acetate |  | 0.08 ± 0.01 | 0.01 ± 0.001 |  | 0.02 ± 0.008 |  |
 CO2 | 12.23 ± 0.13 | 1.54 ± 0.0 | 0.03 ± 0.005 |  | 0.07 ± 0.004 |  |