Table 1.
Content of dry extract (g/100g of crude drug), total phenolics (mg GAE/g de) and total flavonoids (mg QE/g de) in the extracts of investigated species of Hypericum.
| Source | Dry extract yeald (%) |
Total phenolics (mg GAE/g de) |
Total flavonoids (mg QE/g de) |
|---|---|---|---|
| 1 (H. perforatum) | 16.91 ± 0.09 | 15.49 ± 0.25 | 1.90 ± 0.03 |
| 2 (H. perforatum) | 22.69 ± 0.32 | 14.65 ± 0.54 | 1.54 ± 0.05 |
| 3 (H. perforatum) | 25.96 ± 0.51 | 16.72 ± 0.70 | 2.48 ± 0.06 |
| 4 (H. perforatum) | 14.59 ± 0.27 | 15.33 ± 0.48 | 1.33 ± 0.04 |
| 5 (Hyperici herba) | 21.04 ± 0.40 | 19.41 ± 0.32 | 2.85 ± 0.02 |
| 6 (H. perforatum) | 19.29 ± 0.60 | 14.35 ± 0.54 | 2.23 ± 0.05 |
| 7 (H. maculatum) | 16.79 ± 0.13 | 15.41 ± 0.19 | 5.51 ± 0.11 |
| 8 (H. richeri) | 21.83 ± 0.32 | 13.66 ± 0.80 | 2.77 ± 0.04 |
| 9 (H. olympicum) | 21.96 ± 0.47 | 16.16 ± 0.25 | 6.74 ± 0.08 |
| 10 (H. barbatum) | 52.63 ± 0.12 | 30.36 ± 0.87 | 5.68 ± 0.07 |