Table 4.
Results of cumulative growth and lipid production by C. oleaginosus cultured in parallel with variable nitrogen sources at elemental nitrogen concentration of 0.13 g. L−1,holding all other conditions identical [C: N of 120: 1 and 40 g. L−1 glucose (16 g. L−1 carbon)].
| Nitrogen source | Biomass (g. L−1) | Lipid weight (g. L−1) | %Lipid (g. g−1) |
|---|---|---|---|
| Ammonium chloride | 1.93 ± 0.08 | 0.32 ± 0.03 | 16.35 ± 1.78 |
| Ammonium sulfate | 2.17 ± 0.20 | 0.35 ± 0.04 | 16.37 ± 1.97 |
| Ammonium phosphate | 2.12 ± 0.10 | 0.51 ± 0.06 | 24.27 ± 3.39 |
| Calcium nitrate | 2.24 ± 0.17 | 0.73 ± 0.02 | 32.72 ± 2.89 |
| Potassium nitrate | 2.21 ± 0.12 | 0.91 ± 0.09 | 41.28 ± 5.64 |
| Sodium nitrate | 2.46 ± 0.13 | 1.06 ± 0.10 | 43.3 ± 4.18 |
| Ammonium nitrate | 1.73 ± 0.08 | 0.39 ± 0.03 | 22.74 ± 2.62 |
| Ammonium chloride + sodium nitrate | 1.67 ± 0.12 | 0.3 ± 0.03 | 18.09 ± 2.17 |
| Yeast extract: Tryptone/Peptone | 13.17 ± 0.27 | 6.37 ± 0.22 | 48.44 ± 2.30 |
| Yeast extract | 13.29 ± 0.15 | 7.1 ± 0.50 | 53.41 ± 4.12 |
| Tryptone/Peptone | 11.18 ± 0.18 | 5.58 ± 0.32 | 49.94 ± 3.64 |
| Urea | 4.96 ± 0.07 | 1.82 ± 0.13 | 36.75 ± 2.82 |