Table 1.
Protein content (in the algae samples and in their protein isolates) and protein recovery (mean of n = 3 independent determinations ± SD).
| Protein (g/100 g d.w.) | Protein recovery % | ||
|---|---|---|---|
| Algae | Protein isolate | ||
| Red algae | |||
| Porphyra sp. | 31.0 ± 1.25 | 15.6 ± 0.41 | 50.3 ± 0.47 |
| Gigartina pistillata | 28.1 ± 2.65 | 15.7 ± 0.63 | 55.9 ± 0.65 |
| Chondrus crispus | 12.8 ± 1.05 | 6.19 ± 1.25 | 48.4 ± 0.98 |
| Mastocarpus stellatus | 11.0 ± 1.33 | 5.10 ± 1.27 | 46.4 ± 1.08 |
| Palmaria palmata | 17.8 ± 1.21 | 10.4 ± 0.47 | 58.4 ± 1.65 |
| Gelidium corneum | 9.42 ± 0.58 | 5.41 ± 0.69 | 57.4 ± 1.33 |
| Plocammium cartilagineum | 10.2 ± 0.66 | 6.41 ± 0.98 | 62.8 ± 2.22 |
| Centroceras clavulatum | 11.1 ± 1.65 | 7.03 ± 1.65 | 63.3 ± 2.25 |
| Halopithys incurva | 13.5 ± 1.87 | 7.41 ± 1.74 | 54.9 ± 2.39 |
| Median | 12.8b | 7.03b | 55.9a |
| Green algae | |||
| Aphanizomenon flos-aquae | 36.4 ± 1.55 | 21.2 ± 1.41 | 58.2 ± 1.65 |
| Caulerpa lentillifera | 13.2 ± 1.63 | 7.74 ± 1.66 | 58.6 ± 1.54 |
| Codium sp. | 10.8 ± 1.74 | 5.87 ± 1.87 | 54.3 ± 1.74 |
| Dunaliella salina | 18.1 ± 1.04 | 11.8 ± 2.08 | 65.0 ± 2.55 |
| Arthrospira platensis | 33.0 ± 1.10 | 22.7 ± 2.56 | 68.8 ± 2.14 |
| Chlorella vulgaris | 50.3 ± 2.02 | 30.5 ± 2.44 | 60.6 ± 2.05 |
| Tetraselmis chui | 14.2 ± 2.23 | 9.60 ± 1.65 | 67.6 ± 1.32 |
| Auxenochlorella pyrenoidosa | 36.0 ± 2.85 | 23.9 ± 2.39 | 66.4 ± 1.33 |
| Ulva lactuca | 26.3 ± 1.95 | 15.4 ± 2.77 | 58.5 ± 1.22 |
| Ulva intestinalis | 9.28 ± 1.33 | 6.35 ± 2.41 | 68.5 ± 2.85 |
| Codium decorticatum | 9.35 ± 1.47 | 5.41 ± 1.65 | 57.9 ± 1.96 |
| Median | 18.1a | 11.8a | 65.0a |
| Brown algae | |||
| Ascophyllum nodosum | 8.30 ± 1.54 | 4.13 ± 1.65 | 49.7 ± 1.36 |
| Sargassum fusiforme | 21.2 ± 2.22 | 7.83 ± 2.36 | 36.9 ± 1.52 |
| Eisenia bicyclis | 12.0 ± 2.47 | 8.11 ± 1.41 | 67.6 ± 3.25 |
| Laminaria ochroleuca | 8.41 ± 2.69 | 4.57 ± 1.44 | 54.3 ± 1.69 |
| Himanthalia elongata | 10.2 ± 1.36 | 3.20 ± 2.41 | 31.4 ± 2.66 |
| Undaria pinnatifida | 12.4 ± 1.55 | 7.83 ± 3.33 | 63.1 ± 2.45 |
| Odontella aurita | 14.3 ± 1.87 | 6.58 ± 3.08 | 46.0 ± 2.74 |
| Fucus vesiculosus | 11.8 ± 2.52 | 6.95 ± 2.52 | 58.9 ± 2.52 |
| Bifurcaria bifurcata | 10.9 ± 2.05 | 6.72 ± 3.10 | 61.6 ± 2.41 |
| Fucus guiryi | 13.5 ± 2.07 | 9.11 ± 2.15 | 67.5 ± 1.65 |
| Pelvetia canaliculata | 7.56 ± 1.35 | 4.92 ± 3.25 | 65.1 ± 1.66 |
| Halopteris scoparia | 8.65 ± 1.66 | 5.15 ± 2.05 | 59.5 ± 2.65 |
| Gongolaria baccata | 12.7 ± 1.65 | 6.45 ± 2.55 | 50.8 ± 2.85 |
| Cladostephus spongiosus | 7.44 ± 2.36 | 4.78 ± 2.98 | 64.2 ± 3.05 |
| Ericaria selaginoides | 13.2 ± 1.23 | 8.49 ± 2.12 | 64.3 ± 1.05 |
| Nannochloropsis sp. | 37.0 ± 1.05 | 23.8 ± 1.52 | 64.3 ± 2.55 |
| Median | 11.9b | 6.65b | 60.6a |
Significant values are in bold.
Different small letters in the same column indicate significant differences between medians of the algae groups (p < 0.05).