Table 5. Bioactivity of EO and Flavonoids Obtained under Selected Extraction Conditionsa.
| TPC | TFC | antioxidant activity by DPPH assay | antioxidant activity by CUPRAC assay | |
|---|---|---|---|---|
| EO | 3.07 ± 0.19 (mg GAE/mL EO) | 29.48 ± 2.48 (mg RE/mL EO) | 3.82 ± 0.09 (mg TEAC/mL EO) | 5.50 ± 1.37 (mg TEAC/mL EO) |
| flavonoids | 8.35 ± 1.55 (mg GAE/g OP-HD) | 6.48 ± 3.03 (mg RE/g OP-HD) | 10.61 ± 0.32 (mg TEAC/g OP-HD) | 10.61 ± 3.15 (mg TEAC/g OP-HD) |
a
Extraction conditions for EO: 5.5 mL water/g OP and HD time of 180 min. Extraction conditions for flavonoids: 50 min of UE with 120 mL solvent/g OP-HD.