Table 2.
DPPH activity of the two extracts and quercetin 3-glucuronide.
| Samples | IC 50 μg/mL |
|---|---|
| O. grandiflora flower extract | 14.39 ± 1.43 |
| O. grandiflora leaf extract | 6.69 ± 1.39 |
| quercetin 3-glucuronide | 3.73 ± 0.11 |
| trolox | 4.02 ± 0.25 |
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