Table 2.
Comparative data from 1 L batch fermentations of strains AR26 and AR36, using 100 g/L of Glc and 15 g/L of YE as substrates
|
Strain |
AR26 |
AR36 |
|
SA titer (g/L) |
12.95 ± 0.64 |
41.80 ± 2.83 |
|
Glc consumed (g/L) |
82.65 ± 4.88 |
103.70 ± 6.79 |
|
Duration of culture (h) |
47 |
60 |
|
YSA/Glc (mol/mol) |
0.16 ± 0.02 |
0.42 ± 0.00 |
|
Acetate titer (g/L) |
29.35 ± 0.21 |
11.90 ± 0.14 |
|
Xmax (g/L) |
6.18 ± 0.10 |
6.54 ± 0.09 |
|
μ (h-1) |
0.45 ± 0.01 |
0.45 ± 0.02 |
|
Qpglobal (gSA/L*h) |
0.27 ± 0.02 |
0.75 ± 0.07 |
| Qsglobal (gGlc/L*h) | -1.76 ± 0.10 | -1.73 ± 0.11 |
YSA/Glc = SA yield from Glc; Xmax = maximum attained biomass expressed as dry cell weight; Qpglobal = volumetric SA productivity for the entire fermentation; Qsglobal = volumetric Glc consumption rate for the entire fermentation; μ = specific growth rate.