Table 4.
Effect of different culture variables on biomass and lipid productivity and fatty acid percentage of Galdieria sp. USBA-GBX-832 under heterotrophic conditions at 25 °C and 45 °C.
| Treatment | Biomass Productivity (mg.L−1.d−1) | Lipid productivity (mg.L−1.d−1) | Σ % Saturated fatty acid. SFA | Σ % Monounsaturated fatty acid MUFA | Σ % Polyunsaturated fatty acid PUFA | Treatment | Biomass Productivity (mg.L−1.d−1) | Lipid productivity (mg.L−1.d−1) | Σ % Saturated fatty acid. SFA | Σ % Monounsaturated fatty acid MUFA | Σ % Polyunsaturated fatty acid PUFA | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 °C | 45 °Ca | ||||||||||||||||||||
| SD | SD | SD | SD | SD | SD | SD | SD | SD | SD | ||||||||||||
| 1 | 16.1 | 1.2 | 1.0 | 0.1 | 35.1 | 0.1 | 26.9 | 0.1 | 38.0 | 0.0 | 17 | 21.3 | 2.5 | 0.8 | 0.3 | 49.6 | 1.1 | 18.3 | 0.5 | 32.1 | 0.6 |
| 2 | 16.7 | 2.0 | 1.1 | 0.4 | 36.4 | 0.2 | 25.6 | 0.1 | 37.9 | 0.1 | 18 | 12.4 | 0.3 | 0.8 | 0.1 | 43.3 | 0.3 | 23.7 | 0.7 | 33.0 | 1.0 |
| 3 | 59.2 | 1.6 | 2.5 | 0.1 | 34.7 | 0.3 | 29.5 | 0.1 | 35.8 | 0.2 | 19 | 111.2 | 4.9 | 5.2 | 0.2 | 33.2 | 0.2 | 42.8 | 0.3 | 24.0 | 0.1 |
| 4 | 82.0 | 14.8 | 5.7 | 0.6 | 33.5 | 0.4 | 32.2 | 2.2 | 34.1 | 2.0 | 20 | 128.0 | 7.1 | 8.3 | 1.8 | 22.3 | 1.6 | 66.1 | 0.6 | 11.6 | 1.0 |
| 5 | 40.1 | 1.1 | 1.9 | 0.2 | 38.9 | 0.4 | 32.7 | 0.7 | 28.2 | 0.0 | 21 | 127.8 | 1.6 | 10.1 | 1.5 | 38.8 | 0.5 | 36.4 | 1.2 | 24.1 | 0.4 |
| 6 | 46.8 | 6.2 | 1.8 | 0.2 | 38.6 | 0.4 | 33.9 | 1.2 | 27.4 | 0.6 | 22 | 142.9 | 2.1 | 7.3 | 1.1 | 34.1 | 0.4 | 43.6 | 0.9 | 22.3 | 0.5 |
| 7 | 19.3 | 2.1 | 1.3 | 0.1 | 28.1 | 0.1 | 43.7 | 0.2 | 27.3 | 1.7 | 23 | 27.7 | 0.4 | 2.0 | 0.2 | 42.6 | 0.7 | 27.5 | 0.9 | 29.9 | 0.2 |
| 8 | 7.0 | 1.1 | 0.5 | 0.1 | 39.9 | 2.1 | 33.8 | 0.2 | 25.0 | 4.3 | 24 | 16.7 | 0,0 | 1.0 | 0.2 | 39.6 | 1.4 | 32.4 | 0.9 | 28.1 | 0.5 |
| 9 | 37.7 | 2.2 | 2.1 | 0.1 | 32.6 | 0.7 | 26.5 | 0.1 | 40.8 | 0.7 | 25 | 177.3 | 39.6 | 4.8 | 0.2 | 37.0 | 0.7 | 40.8 | 0.6 | 24.0 | 1.1 |
| 10 | 13.5 | 1.4 | 1.1 | 0.1 | 42.3 | 0.8 | 34.2 | 1.3 | 23.5 | 0.5 | 26 | 110.3 | 10.6 | 4.5 | 0.6 | 47.9 | 0.5 | 46.9 | 0.5 | 5.2 | 0.9 |
| 11 | 11.8 | 0.6 | 0.4 | 0.1 | 35.8 | 0.4 | 26.7 | 0.9 | 37.5 | 0.5 | 27 | 18.2 | 1.1 | 1.6 | 0.4 | 48.0 | 1.2 | 25.1 | 0.8 | 26.9 | 2.0 |
| 12 | 17.9 | 1.0 | 0.7 | 0.1 | 50.0 | 0.8 | 47.4 | 0.0 | 3.0 | 0.4 | 28 | 24.5 | 1.1 | 2.5 | 0.2 | 46.6 | 0,0 | 25.3 | 0.7 | 28.2 | 0.7 |
| 13 | 20.8 | 0.5 | 1.2 | 0.1 | 37.3 | 0.2 | 32.0 | 0.3 | 30.7 | 0.5 | 29 | 152.3 | 14.4 | 5.7 | 0.6 | 36.0 | 1.2 | 29.1 | 1.6 | 34.9 | 2.8 |
| 14 | 31.6 | 1.3 | 1.8 | 0.1 | 31.9 | 0.3 | 29.9 | 0.7 | 38.2 | 0.4 | 30 | 229.8 | 1.0 | 4.5 | 0.1 | 36.7 | 0.8 | 37.2 | 1.2 | 26.1 | 0.3 |
| 15 | 16.6 | 2.0 | 0.6 | 0.0 | 34.4 | 0.2 | 30.8 | 0.8 | 34.9 | 0.6 | 31 | 25.2 | 0.9 | 2.4 | 0.3 | 41.1 | 0.3 | 23.8 | 0.0 | 35.1 | 0.2 |
| 16 | 11.8 | 1.1 | 0.8 | 0.1 | 42.1 | 2.6 | 6.8 | 2.2 | 51.1 | 0.4 | 32 | 13.9 | 0.3 | 1.4 | 0.3 | 44.0 | 0.1 | 27.9 | 0.5 | 28.1 | 0.3 |
Data are the means ± SD of three independent samples.