Table 2.
Comparison of process performance indicators using reference and optimized media. Error bars represent min/max from biological replicates (n = 2)
| Parameter | enBBMref | enBBMopt |
|---|---|---|
| Exponential growth rate (d−1) | 1.49 ± 0.06 | 1.45 ± 0.1 |
| Time to nitrate depletion (h) | 84 | 52 |
| Delay from nitrate depletion to onset of lipid synthesis [h] | 36 | 20 |
| Biomass-specific lipid accumulation rate [% (w w−1) d−1] | 4.87 ± 0.53 | 6.43 ± 0.17 |
| Cell dry weight at harvest (g L−1) | 4.95 ± 0.06 | 4.93 ± 0.01 |
| Neutral lipid content at harvest [% (w w−1)] | 10.55 ± 0.35 | 23.9 ± 1.2 |
| Volumetric productivity (mg L−1 d−1) | 74 ± 1 | 169 ± 7 |