Table 1 Evaluation of autotrophic, heterotrophic and mixotrophic growth, biomass productivity, lipid productivity and lipid content of Galdieria sp. USBA-GBX-832.
Condition | Carbon Source | Light | Specific growth rate µ | Biomass mg.mL−1 | Biomass productivity (mg.L−1.d−1) | Lipid Productivity (mg.L−1.d-1) | Total lipid content (%) | Fatty acid (%) | % PUFAs* |
---|---|---|---|---|---|---|---|---|---|
Autotrophic | CO2 | yes | 0.015 | 0.24 ± 0.016 | 15.82 ± 1.13 | 2.13 ± 0.0 | 15.34 ± 3.3 | 16.66 ± 2.7 | 16.25 ± 0.63 |
Heterotrophic | Glucose 25 mM | not | 0.14 | 0.94 ± 0.039 | 62.88 ± 7.66 | 2.29 ± 0.075 | 3.64 ± 0.25 | 36.75 ± 5.5 | 22.2 ± 1.84 |
Mixotrophic | Glucose 25 mM | yes | 0.16 | 1.03 ± 0.06 | 68.56 ± 3.66 | 2.69 ± 0.02 | 3.85 ± 0.13 | 15 ± 2.1 | 23.75 ± 1.34 |