Table 1.
Chemical and biochemical parameters analyzed in cultures of 17 marine diatoms compared to other marine microalgae
| Class | Microalae | Onset stationary phase (days) | Duplication time (h) | Biomass productivity (mg L −1 day −1 ) | Lipid productivity (mg L −1 day −1 ) | Percentage of lipids | Percentage of FFA | Percentage of TAG | Percentage of GL | Percentage of PL |
|---|---|---|---|---|---|---|---|---|---|---|
| Bacillariophyceae | Chaetoceros curvisetus CCMP 3260 | 7 | 18 | 13.22 ± 0.66 | 1.97 ± 0.04 | 14.86 ± 0.31 | 100 | ― | ― | ― |
| Chaetoceros socialis CCMP 3263 | 7 | 16 | 2.47 ± 0.07 | 0.19 ± 0.01 | 7.63 ± 0.23 | 100 | ― | ― | ― | |
| Chaetoceros affinis CCMP 3259 | 7 | 17 | 4.13 ± 0.17 | 0.50 ± 0.01 | 12.11 ± 0.30 | 100 | ― | ― | ― | |
| Thalassiosira rotula CCMP 1647 | 7 | 17 | 5.44 ± 0.33 | 0.43 ± 0.01 | 7.95 ± 0.26 | 100 | ― | ― | ― | |
| Thalassiosira rotula CCMP 3264 | 7 | 19 | 4.35 ± 0.22 | 0.54 ± 0.02 | 12.42 ± 0.37 | 100 | ― | ― | ― | |
| Thalassiosira weissflogii P09 | 6 | 16 | 24.29 ± 0.97 | 7.27 ± 0.28 | 29.94 ± 1.17 | 3.0 ± 0.2 | 51.0 ± 3.2 | 30.0 ± 1.0 | 16.0 ± 1.0 | |
| Thalassiosira weissflogii CCMP 1010 | 6 | 22 | 12.53 ± 0.44 | 4.87 ± 0.10 | 38.84 ± 0.78 | 8.0 ± 0.3 | 53.0 ± 1.9 | 21.0 ± 1.3 | 18.0 ± 1.1 | |
| Thalassiosira weissflogii CCMP 1336 | 6 | 24 | 14.84 ± 0.45 | 3.48 ± 0.10 | 23.48 ± 0.66 | 5.0 ± 0.3 | 45.0 ± 3.2 | 31.0 ± 1.3 | 19.0 ± 1.1 | |
| Thalassiosira pseudonana CCMP 1335 | 8 | 24 | 5.87 ± 0.24 | 1.72 ± 0.07 | 29.33 ± 1.17 | 5.0 ± 0.3 | 19.0 ± 0.9 | 55.0 ± 1.8 | 21.0 ± 1.0 | |
| Cyclotella cryptica CCMP 331 | 13 | 48 | 7.11 ± 0.14 | 2.98 ± 0.09 | 41.97 ± 1.26 | 0 | 55.0 ± 2.1 | 24.0 ± 1.7 | 21.0 ± 1.0 | |
| Skeletonema marinoi CCMP 2092 | 7 | 23 | 9.02 ± 0.54 | 0.85 ± 0.02 | 9.38 ± 0.23 | 100 | ― | ― | ― | |
| Skeletonema marinoi CCMP 2052 | 7 | 16 | 7.17 ± 0.27 | 0.66 ± 0.03 | 9.14 ± 0.43 | 100 | ― | ― | ― | |
| Cylindrotheca fusiformis CCMP 343 | 7 | 15 | 27.27 ± 1.09 | 4.78 ± 0.18 | 17.51 ± 0.67 | 7.0 ± 0.2 | 18.0 ± 0.7 | 54.0 ± 3.2 | 21.0 ± 0.5 | |
| Phaeodactylum tricornutum CCMP 632 | 11 | 29 | 22.44 ± 0.90 | 2.09 ± 0.06 | 9.32 ± 0.28 | 11.0 ± 0.7 | 19.0 ± 0.6 | 44.0 ± 2.1 | 26.0 ± 1.0 | |
| Pseudo-nitzschia pseudodelicatissima B317 | 10 | 15 | 4.12 ± 0.11 | 0.56 ± 0.03 | 13.50 ± 0.81 | 100 | ― | ― | ― | |
| Ditylum brightwelli CCMP 358 | 12 | 34 | 4.66 ± 0.28 | 0.57 ± 0.03 | 12.20 ± 0.71 | 52.0 ± 3.6 | ― | 19.0 ± 0.8 | 29.0 ± 1.8 | |
| Melosira octogona CCMP 483 | 10 | 25 | 9.10 ± 0.44 | 1.88 ± 0.11 | 20.60 ± 1.24 | 2.0 ± 0.1 | 29.0 ± 1.8 | 38.0 ± 1.2 | 31.0 ± 1.9 | |
| Eustigmatophyceae | Nannochloropsis salina CCMP 369 | 21 | 44 | 33.09 ± 1.16 | 7.27 ± 0.31 | 21.98 ± 0.92 | 14.0 ± 0.5 | 20.0 ± 0.5 | 39.0 ± 2.3 | 27.0 ± 1.6 |
| Chlorophyceae | Dunaliella salina CCAP19/18 | 20 | 83 | 19.79 ± 0.99 | 5.22 ± 0.17 | 26.36 ± 0.87 | 6.0 ± 0.3 | 7.0 ± 0.3 | 49.0 ± 2.1 | 38.0 ± 2.3 |
| Dunaliella tertiolecta CCMP 1320 | 14 | 51 | 36.42 ± 1.02 | 9.71 ± 0.44 | 26.65 ± 1.20 | 5.0 ± 0.2 | 17.0 ± 1.2 | 53.0 ± 1.7 | 25.0 ± 1.1 | |
| Chlamydomonas sp. CCMP 222 | 12 | 30 | 14.26 ± 0.53 | 2.98 ± 0.15 | 20.92 ± 1.05 | 3.0 ± 0.2 | 7.0 ± 0.3 | 60.0 ± 3.7 | 30.0 ± 1.0 |
Duplication time, biomass and lipid productivity (mg L−1 day−1), percentage of lipids (percentage of dry weight), percentage of FFA, and percentage of TAG (percentage of total lipid extract) were used for PCA analysis. FFA, free fatty acid; GL, glycolipid; PL, phospholipid; TAG, triacylglycerol.