Table 1 Co-production of lutein and protein in C. sorokiniana FZU60 under different cultivation strategies
Cultivation strategy | Biomass productivity (mg/L/day) | Lutein content (mg/g) | Lutein productivity (mg/L/day) | Lutein yield (mg/L) | Protein content (mg/g) | Protein productivity (mg/L/day) | Protein yield (mg/L) |
|---|---|---|---|---|---|---|---|
Batch | 852.76 ± 44.55 | 7.72 ± 0.40 | 6.58 ± 0.45 | 10.99 ± 0.77 | 538.06 ± 63.60 | 458.83 ± 23.97 | 766.96 ± 32.34 |
Semi-batch I | 718.09 ± 134.24 | 7.83 ± 0.35 | 5.67 ± 1.09 | 10.67 ± 0.40 | 625.47 ± 60.98 | 446.18 ± 77.46 | 851.55 ± 30.42 |
Semi-batch II | 805.46 ± 42.58 | 7.58 ± 0.31 | 6.11 ± 0.35 | 10.50 ± 0.43 | 594.14 ± 56.51 | 478.14 ± 44.24 | 822.30 ± 23.28 |
Semi-batch III | 852.50 ± 55.06 | 7.89 ± 0.32 | 6.75 ± 0.51 | 10.80 ± 0.47 | 561.27 ± 46.67 | 478.70 ± 52.55 | 768.59 ± 20.76 |
Fed-batch I | 439.52 ± 17.55 | 8.96 ± 0.26 | 3.94 ± 0.27 | 15.57 ± 2.90 | 438.31 ± 43.96 | 192.26 ± 11.63 | 881.49 ± 35.62 |
Fed-batch II | 611.20 ± 19.94 | 10.51 ± 0.26 | 6.43 ± 0.37 | 28.81 ± 1.50 | 479.59 ± 9.14 | 293.03 ± 3.98 | 1592.77 ± 56.93 |
Two-stage | 1710.71 ± 97.13 | 8.74 ± 0.40 | 15.31 ± 1.27 | 22.93 ± 1.87 | 632.00 ± 42.84 | 1080.41 ± 87.11 | 1617.79 ± 77.35 |