Table 3.
Antioxidant (TEAC, DPPH) activities in enzymatic protein hydrolysates (EPHs) from the algae samples (mean of n = 3 independent determinations ± SD).
| TEAC % | DPPH % | |
|---|---|---|
| Red algae | ||
| Porphyra sp. | 71.2 ± 1.65 | 70.4 ± 0.15 |
| Gigartina pistillata | 54.1 ± 0.32 | 51.4 ± 0.36 |
| Chondrus crispus | 56.5 ± 0.11 | 50.2 ± 0.42 |
| Mastocarpus stellatus | 54.3 ± 0.12 | 53.2 ± 0.14 |
| Palmaria palmata | 54.6 ± 0.25 | 56.6 ± 1.65 |
| Gelidium corneum | 69.2 ± 0.36 | 67.4 ± 2.54 |
| Plocammium Cartilagineum | 68.8 ± 0.41 | 67.9 ± 2.14 |
| Centroceras clavulatum | 69.4 ± 0.09 | 68.8 ± 1.54 |
| Halopithys incurva | 68.5 ± 0.11 | 65.7 ± 0.85 |
| Median | 68.5 a | 65.7 a |
| Green algae | ||
| Aphanizomenon flos-aquae | 65.4 ± 0.07 | 63.5 ± 2.10 |
| Caulerpa lentillifera | 72.1 ± 0.05 | 70.0 ± 2.52 |
| Codium sp. | 52.3 ± 0.15 | 55.8 ± 2.77 |
| Dunaliella salina | 60.2 ± 0.23 | 58.8 ± 1.41 |
| Arthrospira platensis | 70.2 ± 1.25 | 68.6 ± 3.65 |
| Chlorella vulgaris | 70.5 ± 2.36 | 68.8 ± 0.54 |
| Tetraselmis chui | 48.9 ± 1.87 | 50.1 ± 1.44 |
| Auxenoclorella pyrenoidosa | 65.5 ± 2.47 | 63.4 ± 2.58 |
| Ulva lactuca | 51.1 ± 2.87 | 52.3 ± 0.88 |
| Ulva intestinalis | 71.2 ± 0.08 | 73.6 ± 0.65 |
| Codium decorticatum | 60.5 ± 3.11 | 58.9 ± 0.96 |
| Median | 60.5a | 58.9a |
| Brown algae | ||
| Ascophyllum nodosum | 40.7 ± 1.54 | 42.6 ± 2.22 |
| Sagassum fusiforme | 41.2 ± 3.36 | 45.2 ± 2.74 |
| Eisenia bicyclis | 47.8 ± 2.87 | 49.3 ± 0.98 |
| Laminaria ochroleuca | 59.1 ± 2.54 | 58.6 ± 1.11 |
| Himanthalia elongata | 47.7 ± 3.47 | 45.5 ± 2.41 |
| Undaria pinnatifida | 48.8 ± 1.74 | 50.1 ± 3.55 |
| Odonella aurita | 60.7 ± 1.23 | 58.5 ± 2.22 |
| Fucus vesiculosus | 54.3 ± 1.69 | 52.4 ± 2.64 |
| Bifurcaria bifurcata | 61.2 ± 3.44 | 60.3 ± 2.27 |
| Fucus guiryi | 46.4 ± 1.27 | 44.5 ± 1.55 |
| Pelvetia canaliculata | 49.7 ± 2.27 | 47.7 ± 1.48 |
| Halopteris scoparia | 39.5 ± 1.13 | 37.8 ± 2.28 |
| Gongolaria baccata | 45.5 ± 1.54 | 42.8 ± 3.24 |
| Cladostephus spongiosus | 50.2 ± 1.74 | 47.5 ± 1.05 |
| Ericaria selaginoides | 43.5 ± 2.28 | 41.9 ± 1.49 |
| Nanochloropsis sp. | 58.9 ± 2.14 | 60.1 ± 1.74 |
| Median | 49.7b | 47.5b |
Significant values are in bold.
Different small letters in the same column indicate significant differences between medians of the algae groups (p < 0.05).