Table 1.
Growth kinetics of Bacillus sp. BCC 01-50 and sugar consumption in synthetic medium.
| Time h | Total sugar g/L | Dry cell weight g/L | a r x (g/L/h) | b r s (g/L/h) | c Y x/s |
|---|---|---|---|---|---|
| 0 | 17.8 | 0.20 | — | — | — |
| 12 | 16.1 | 0.65 | 0.45 | 1.76 | 0.25 |
| 24 | 14.1 | 1.06 | 0.85 | 3.70 | 0.23 |
| 36 | 11.1 | 1.88 | 1.67 | 6.70 | 0.24 |
| 48 | 5.75 | 2.25 | 2.04 | 12.11 | 0.16 |
| 60 | 2.74 | 2.50 | 2.29 | 15.12 | 0.15 |
| 72 | 1.77 | 2.06 | 1.85 | 16.09 | 0.11 |
| 84 | 0.95 | 1.33 | 1.12 | 16.91 | 0.06 |
| 96 | 0.56 | 1.11 | 0.91 | 17.30 | 0.05 |
| 108 | 0.46 | 0.90 | 0.70 | 17.40 | 0.04 |
| 120 | 0.32 | 0.65 | 0.44 | 17.54 | 0.02 |
a r x biomass formation rate, dx/dt (g/L/h); brs sugar consumption rate, ds/dt (g/L/h); cYx/s biomass yield from sugar, rx/rs (g/g). Results shown in above table are average of triplicate parallel experiments.