Table 2 Chlorophyll a per cell, specific growth rate (μ), EPA and DHA content (normalized to biovolume) of two polar ( C. brevis , Pyramimonas sp.) and three temperate ( T. weissflogii , E. huxleyi and F. japonica ) microalgal species (mean value (± SD) of two replicate cultures)
From: On the potential application of polar and temperate marine microalgae for EPA and DHA production
|  | Temperature (°C) | Irradiance (μmol m -2s -1) | μ (day -1) | Chloroph. a(pg cell -1) | EPA content (fg μm -3) | DHA content (fg μm -3) |
|---|---|---|---|---|---|---|
Chaetoceros brevis | 3 | 10 | 0.22 ± 0.02 | 0.50 ± 0.03 | 1.62 ± 0.03 | 0.04 ± 0.00 |
|  | 3 | 25 | 0.35 ± 0.02 | 0.39 ± 0.02 | 1.56 ± 0.45 | 0.03 ± 0.01 |
|  | 3 | 75 | 0.47 ± 0.01 | 0.15 ± 0.01 | 1.06 ± 0.06 | 0.02 ± 0.00 |
|  | 3 | 150 | 0.43 ± 0.02 | 0.15 ± 0.00 | 1.18 ± 0.05 | 0.03 ± 0.00 |
|  | 7 | 10 | 0.24 ± 0.03 | 0.52 ± 0.06 | 1.61 ± 0.14 | 0.03 ± 0.00 |
|  | 7 | 25 | 0.36 ± 0.06 | 0.44 ± 0.11 | 1.19 ± 0.48 | 0.02 ± 0.02 |
|  | 7 | 75 | 0.41 ± 0.00 | 0.13 ± 0.01 | 1.23* | 0.03* |
|  | 7 | 150 | 0.42 ± 0.02 | 0.13 ± 0.00 | 1.52 ± 0.07 | 0.03 ± 0.01 |
Thalassiosira weissflogii | 16 | 10 | 0.29 ± 0.06 | 9.77 ± 0.03 | 2.23* | 0.34* |
|  | 16 | 25 | 0.36 ± 0.01 | 9.84 ± 0.70 | nd | nd |
|  | 16 | 75 | 0.42 ± 0.08 | 4.50 ± 1.14 | 2.31 ± 0.26 | 0.43 ± 0.05 |
|  | 16 | 150 | 0.49 ± 0.09 | 3.05 ± 0.00 | 1.85 ± 0.13 | 0.35 ± 0.07 |
|  | 20 | 10 | 0.31 ± 0.01 | 9.53 ± 0.06 | 1.61 ± 0.08 | 0.27 ± 0.01 |
|  | 20 | 25 | nd | 8.40 ± 0.33 | 1.83 ± 0.01 | 0.34 ± 0.00 |
|  | 20 | 75 | nd | 3.67 ± 0.38 | nd | nd |
|  | 20 | 150 | nd | 2.93 ± 0.09 | 1.99* | 0.40* |
Pyramimonas sp. | 3 | 75 | 0.14 ± 0.03 | 1.54 ± 0.16 | 0 | 8.75 ± 0.28 |
Emiliania huxleyi | 16 | 75 | 0.34 ± 0.08 | 0.18 ± 0.00 | 0.89* | 27.7* |
Fibrocapsa japonica | 16 | 75 | 0.44 ± 0.04 | 15.99 ± 0.71 | 2.93 ± 0.30 | 0 |