Table 1.
Comparison of EPS produced by B. licheniformis strains in batch and fed-batch processes from glucose and fructose. The average values of two distinct experiments are presented.
| Substrate/Mode | EPS (g/L) |
EPS (g/L/h) |
YEPS
a
(mg/g) |
Biomass b (CFU/mL) |
Substrate Consumption Rate (g/L/h) |
|---|---|---|---|---|---|
| Glucose | |||||
| Batch | 9.64 ± 0.53 | 0.321 | 75.3 | 1.9 × 109 | 4.09 |
| Fed-batch | 12.61 ± 0.79 | 0.257 | 62.9 | 4.3 × 109 | 4.30 |
| Fructose | |||||
| Batch | 6.29 ± 0.33 | 0.262 | 44.1 | 1.1 × 109 | |
| Fed-batch | 7.03 ± 0.18 | 0.234 | 37.6 | 4.1 × 109 | 5.94 |
a Milligram produced EPS per gram substrate consumed; b Biomass at the EPS maximum.