Table 3 Combined effect of salinity and nitrogen limitation on biomass production, lipid accumulation, and CO 2 fixation of Chlamydomonas sp. JSC4
Sea salt concentration (%) | Cultivation time under nitrogen depletion (days) | Biomass concentration (g L-1) | Lipid content (%) | Lipid productivity (mg L-1d-1) | CO2fixation rate (mg L-1d-1) |
|---|---|---|---|---|---|
0.5 | 0 | 1.414 ± 0.082 | 15.6 ± 0.6 | 109 ± 3 | 1312 ± 81 |
3 | 2.353 ± 0.078 | 29.0 ± 1.1 | 116 ± 0 | 755 ± 26 | |
5 | 2.691 ± 0.001 | 32.0 ± 0.3 | 107 ± 1 | 628 ± 0 | |
7 | 2.748 ± 0.011 | 38.7 ± 2.1 | 104 ± 5 | 507 ± 2 | |
2.0 | 0 | 1.426 ± 0.008 | 15.8 ± 0.1 | 111 ± 0 | 1319 ± 6 |
3 | 2.232 ± 0.007 | 41.9 ± 1.8 | 159 ± 8 | 713 ± 3 | |
5 | 2.467 ± 0.064 | 49.8 ± 2.3 | 152 ± 11 | 573 ± 16 | |
7 | 2.488 ± 0.044 | 53.5 ± 0.8 | 130 ± 4 | 457 ± 9 | |
3.5 | 0 | 1.482 ± 0.029 | 15.3 ± 2.5 | 79 ± 119 | 968 ± 17 |
3 | 2.018 ± 0.052 | 45.0 ± 0.1 | 143 ± 8 | 609 ± 18 | |
5 | 2.191 ± 0.033 | 51.8 ± 2.2 | 136 ± 8 | 494 ± 9 | |
7 | 2.242 ± 0.064 | 55.1 ± 0.8 | 121 ± 2 | 411 ± 13 | |
5.0 | 0 | 1.135 ± 0.031 | 14.5 ± 0.7 | 56 ± 16 | 699 ± 15 |
3 | 1.817 ± 0.057 | 51.4 ± 2.0 | 149 ± 1 | 528 ± 5 | |
5 | 2.058 ± 0.048 | 59.8 ± 1.2 | 148 ± 5 | 448 ± 10 | |
|  | 7 | 2.076 ± 0.033 | 64.0 ± 1.7 | 129 ± 6 | 371 ± 5 |