Table 1. ABTS radical, DPPH radical, nitric oxide radical, superoxide radical, hydrogen peroxide radical, and hydroxyl radical scavenging activity of MEIC (mean±SEM).
Drug/Standard | IC50 (µg/mL)* |
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ABTS radical scavenging assay | DPPH radical scavenging activity | Nitric oxide radical scavenging assay | Superoxide radical scavenging assay | Hydrogen peroxide radical scavenging method | Hydroxyl radical scavenging activity |
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p-NDA method | Deoxyribose method | ||||||
MEIC | 28.11±0.51 | 13.97±0.80 | 70.45±1.46 | 232.00±7.78 | 129.41±2.82 | 126.13±5.83 | 50.27±0.61 |
Ascorbic acid | 27.61±1.04 | 9.03±0.09 | 129.06±5.54 | >1 000 | 31.41±1.90 | >1 000 | – |
Rutin | 12.37±0.24 | 9.65±0.19 | 54.27±1.00 | >1 000 | 127.63±3.20 | >1 000 | 32.82±0.60 |
*: Mean of three determinations.