Research Article
Enteromorpha compressa Exhibits Potent Antioxidant Activity
Table 3
Antioxidant activity (%) of different extracts from Enteromorpha compressa using DPPH method after 30 min at 100 and 200 μg/mL.
| Extracts | Seasons | LSD | Spring | Summer | Autumn | Winter | Conc. (μg/mL) | 100 | 200 | 100 | 200 | 100 | 200 | 100 | 200 |
| Crude (ethanolic extract) | 46 ± 1.6 | 49 ± 2.6 | 47 ± 3.6 | 50 ± 1.0 | 50.53 ± 3.2 | 55.44 ± 0.74 | 41.5 ± 1.5 | 44.5 ± 1.6 | 0.0325 | Pet. ether | 63 ± 1.3 | 66 ± 1.9 | 50.7 ± 3.90 | 53.7 ± 3.2 | 46.02 ± 1.8 | 55.3 ± 3.65 | 49.1 ± 0.7 | 52.1 ± 1.0 | 0.0325 | Chloroform | 75.5 ± 6.0 | 78 ± 4.6 | 44 ± 4.0 | 47 ± 1.6 | 60.6 ± 4.6 | 66.8 ± 4.9 | 40.2 ± 0.6 | 43.24 ± 1.0 | 0.0325 | Ethyl acetate | 79.5 ± 5.5 | 82.8 ± 7.8 | 44.3 ± 2.45 | 47.3 ± 1.0 | 32.6 ± 0.9 | 46 ± 1.25 | 49.1 ± 2.7 | 52.1 ± 5.0 | 0.0325 | Water | 90 ± 2.0 | 93 ± 7.7 | 45.5 ± 3.61 | 48.5 ± 1.7 | 48.8 ± 4.6 | 50.13 ± 0.99 | 40.7 ± 1.0 | 43.7 ± 1.7 | 0.0325 | BHT | 84 ± 2.0 | 88.5 ± 2.6 | 84 ± 1.85 | 88.5 ± 3.6 | 85 ± 4.9 | 88.5 ± 4.6 | 84 ± 2.6 | 88.5 ± 1.9 | 0.0325 | LSD | 0.0262 | 0.0262 | 0.0262 | 0.0262 | 0.0576 | 0.0668 | 0.0262 | 0.0262 | |
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Each value is presented as mean of triplet treatments; LSD: least significantly different at P ≤ 0.01 according to Duncan’s multiple range test.
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