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| Sample | Total phenolic (%) | Total flavonoid (%) | DPPH IC50 (µg/µl) |
| O. corniculata | 49.61±0.04 | 31.3±0.02 | 619.207 |
| Vitamin E | - | - | 0.014 |
Results are expressed as mean±SD.
DPPH: 2,2'-diphenyl-1-picrylhydrazyl
