Research Article
Enteromorpha compressa Exhibits Potent Antioxidant Activity
Table 4
Antioxidant activity (%) of different extracts from Enteromorpha compressa using DPPH method after 60 min at 100–200 μg/mL.
| Extracts | Seasons | LSD | Spring | Summer | Autumn | Winter | Conc. (μg/mL) | 100 | 200 | 100 | 200 | 100 | 200 | 100 | 200 |
| Crude (Ethanolic extract) | 46 ± 4.5 | 55.7 ± 6.9 | 47 ± 7.0 | 50.7 ± 4.7 | 50.66 ± 2.6 | 55.03 ± 2.7 | 41.5 ± 2.6 | 44.7 ± 1.6 | 0.0325 | Pet. ether | 63 ± 2.0 | 69 ± 4.3 | 50.7 ± 3.2 | 54.3 ± 6.3 | 45.88 ± 1.4 | 54.24 ± 1.3 | 49.1 ± 1.5 | 52 ± 3.6 | 0.0325 | Chloroform | 75.5 ± 2.6 | 82 ± 4.5 | 44 ± 4.5 | 48 ± 2.5 | 59.3 ± 1.0 | 65.12 ± 6.2 | 40.2 ± 3.6 | 44.4 ± 2.7 | 0.0325 | Ethyl acetate | 79.5 ± 1.6 | 95.7 ± 1.6 | 44.3 ± 5.3 | 48.5 ± 8.6 | 34.6 ± 3.2 | 45.75 ± 0.9 | 49.1 ± 2.5 | 52.7 ± 1.0 | 0.0325 | Water | 90 ± 4.6 | 95.4 ± 4.8 | 45.5 ± 4.6 | 50 ± 2.5 | 49.6 ± 1.8 | 50.66 ± 2.5 | 40.7 ± 1.3 | 44 ± 4.6 | 0.0861 | BHT | 83 ± 4.6 | 88 ± 4.8 | 83 ± 6.8 | 88 ± 3.2 | 85.4 ± 2.9 | 88.85 ± 7.0 | 83 ± 1.5 | 88 ± 2.6 | 0.0325 | LSD | 0.0262 | 0.0262 | 0.0262 | 0.0262 | 0.0642 | 0.05132 | 0.0262 | 0.0262 | |
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Each value is presented as mean of triplet treatments; LSD: Least significant difference at P ≤ 0.01 according to Duncan’s multiple range test.
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