Table 1 Results of single cell oil (SCO) production by T. cutaneum from steam-exploded corn stover (SECS)
Bioprocess | A | B | C |
|---|---|---|---|
SECS (g dry material) | 100 + 11.51 | 300 + 41.45 | 300 + 27.63 |
Glucose (g/L) | 50.84 ± 2.37 | 108.65 ± 4.18 | 43.31 ± 1.57 |
Xylose (g/L) | 6.65 ± 0.32 | 17.42 ± 0.85 | 7.06 ± 0.39 |
Volume of enzymatic hydrolyzate (L) | 1 | 1 | 3 |
Fermentation time (d) | 8 | 16 | 7 |
Biomass (g/L dry cell biomass) | 20.52 ± 1.09 | 45.58 ± 2.95 | 19.05 ± 0.98 |
Biomass yield (g/g glucose + xylose) | 0.357 | 0.362 | 0.378 |
Biomass productivity (g/L/d) | 2.565 | 2.849 | 2.721 |
Total yield of biomass (g/g SECS) | 0.184 | 0.133 | 0.174 |
Lipid (g/L) | 11.35 ± 0.77 | 23.49 ± 2.33 | 10.60 ± 0.65 |
Lipid yield (g/g glucose + xylose) | 0.197 | 0.186 | 0.210 |
Lipid productivity (g/L/d) | 1.419 | 1.468 | 1.514 |
Lipid content (%) | 55.31 | 51.54 | 55.64 |
Total yield of lipid (g/g SECS) | 0.102 | 0.069 | 0.097 |
Total time from SECS to SCO (h) | 240 | 456 | 198 |
Total productivity of biomass (g/h) | 0.086 | 0.100 | 0.289 |
Total productivity of lipid (g/h) | 0.047 | 0.052 | 0.161 |
Enzyme input (FPIU/g lipid) | 115.64 | 201.15 | 99.06 |
Handling capacity (g SECS/h) | 0.465 | 0.749 | 1.655 |
Utilization ratio of SECS (%) | 86.67 ± 4.06% | 63.35 ± 2.53% | 75.92 ± 2.96% |