Table 1.
Total phenolic content, total flavonoid content, and antioxidant potential of the three extracts from SF aerial parts, as calculated with the employment of DPPH• and FRAP assays. Results are presented as average ± SD.
| SFM | SFP | SFD | ||
|---|---|---|---|---|
| TPC | mg GAE/g extract | 308.07 ± 38.85 | 164.37 ± 32.01 | 103.84 ± 14.13 |
|
| ||||
| TFC | μmol CE/g extract | 645.29 ± 56.62 | 550.12 ± 162.16 | 108.15 ± 21.91 |
| μmol RE/g extract | 1069.92 ± 82.03 | 898.17 ± 260.55 | 157.45 ± 28.19 | |
|
| ||||
| DPPH• | EC 50 A | 0.51 ± 0.01 | 1.48 ± 0.03 | 0.34 ± 0.01 |
| AE B | 1.96 | 0.68 | 2.97 | |
|
| ||||
| FRAP | μmol AAE/g extract | 3093.18 ± 451.12 | 579.62 ± 95.39 | 388.17 ± 81.11 |
| μmol TEAC/g extract | 3217.67 ± 484.90 | 605.03 ± 103.11 | 419.38 ± 94.87 | |
AEfficient concentration (mg antioxidant/mg DPPH•): amount of antioxidant needed to decrease the initial DPPH•. concentration by 50%. BAntiradical efficiency: 1/EC50. AETrolox (DPPH•): 5.59.