Table 4.
Fitting parameters of biomass and astaxanthin production to Eq. (2) in totally-saccharified mussel waste (TSMS) containing different initial concentration of sugars
| Biomass | ||||
|---|---|---|---|---|
| X m (g/L) | v m (g/L h) | λ X (h) | Y A/X (mg/g) | |
| 20 g/L | 6.35 ± 1.03 | 0.977 (NS) | 45.61 (NS) | 3.962 |
| 40 g/L | 7.41 ± 1.08 | 0.159 ± 0.119 | 30.78 ± 19.05 | 1.389 |
| 80 g/L | 9.03 ± 1.74 | 0.185 ± 0.168 | 45.12 ± 24.91 | 0.355 |
| 100 g/L | 9.14 ± 1.16 | 0.126 ± 0.060 | 50.77 ± 17.46 | 0.261 |
| Astaxanthin | ||||
|---|---|---|---|---|
| A m (mg/L) | v m (mg/L h) | λ a (h) | Y A/TS (mg/g) | |
| 20 g/L | 24.64 ± 6.53 | 0.272 ± 0.208 | 54.58 ± 32.25 | 1.001 |
| 40 g/L | 13.71 ± 8.72 | 0.142 (NS) | 42.96 (NS) | 0.268 |
| 80 g/L | 3.24 ± 0.80 | 0.419 (NS) | 20.77 (NS) | 0.036 |
| 100 g/L | 2.58 ± 0.47 | 0.308 (NS) | 20.18 (NS) | 0.024 |
Also yields of astaxanthin on biomass produced (Y A/X) and on total sugars consumed (Y A/TS) are shown
NS non significant