Table 5.
Inhibition percentage of DPPH free radical by standard vitamin C
| Concentration (μg/ml) | Inhibition (%) |
|---|---|
| 100 | 96.36 |
| 25 | 95.62 |
| 10 | 88.522 |
| 5 | 68.181 |
| 2.5 | 26.13 |
| 1 | 22.76 |
| 0.5 | 3.409 |
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