Table 1.
Total phenolics, flavonoids, and carotenoids in the four microalgae under study.
| Species | Total Phenolics (mg/g GAE)* |
Total Flavonoids (mg/g QE)** |
Total Carotenoids (mg/g) +, (µg/mL)++ |
|
|---|---|---|---|---|
| Nannochloropsis gaditana | 22.94 a ± 0.88 | 5.18 a ± 0.07 | 3.34 a ± 0.05 + | 1.24 b ± 0.01 ++ |
| Phaeodactylum tricornutum | 39.34 d ± 0.60 | 3.05 b ± 0.11 | 5.14 b ± 0.05 + | 2.09 d ± 0.01 ++ |
| Nannochloris sp | 33.23 c ± 0.76 | 4.22 c ± 0.09 | 5.63 d ± 0.11 + | 1.69 c ± 0.01 ++ |
| Tetraselmis suecica | 28.03 b ± 1.17 | 0.61 d ± 0.08 | 5.62 c ± 0.12 + | 0.09 a ± 0.01 ++ |
Values are given as mean ± SD (n = 3) (absolute value). For each column, same letters indicate similar values (p < 0.05) * As gallic acid equivalent; ** as quercetin equivalent; + for dry biomass algae; ++ for crude liquid algae.