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In vitro assay for free radical scavenging capacities of peroxyl radicals and superoxide anions.
| Sample | NBT (IC50; mg/mL)∗ | ORAC (μM Trolox/g extract) |
|---|---|---|
| Mitra tea | 0.19 ± 0.05 | 18.505 ± 10.251 |
Abbreviation: ORAC, oxygen radical antioxidant capacity.
∗The IC50 values of Trolox obtained from the NBT assays were 0.025 mg/mL.
