Table 3.
Sum of polyphenols determined by the Folin–Ciocalteu method. ##—extracts with the highest content of polyphenols (p < 0.001).
| Extract | Aqueous (% ± SD) | 70% Ethanolic (% ± SD) |
|---|---|---|
| Arctii lappae folium | 8.34 ± 0.60 | 11.74 ± 1.14 |
| Arctii lappae radix | 2.60 ± 0.15 | 2.57 ± 0.24 |
| Arctii mini folium | 3.11 ± 0.77 | 4.67 ± 0.72 |
| Arctii mini radix | 9.25 ± 1.54 | 8.20 ± 0.89 |
| Calendulae flos | 4.95 ± 0.51 | 5.15 ± 0.60 |
| Centaureae flos | 6.07 ± 0.85 | 6.82 ± 0.87 |
| Galii aparinae herba | 8.01 ± 1.14 | 6.78± 1.33 |
| Millefolii herba | 9.90 ± 0.82 | 13.61 ± 1.87 |
| Sambuci nigrae folium | 10.55 ± 0.77 | 9.78 ± 0.66 |
| Serpylli herba | 20.61 ± 1.13 ## | 21.25 ± 2.90 ## |
| Taraxaci herba | 10.05 ± 0.93 | 12.46 ± 1.77 |
| Urticae herba | 8.64 ± 1.03 | 8.36 ± 1.08 |
| Violae herba | 6.02 ± 1.23 | 6.68 ± 1.44 |