Table 3.
Content of phenolic compounds determined by HPLC in the investigated wild bilberry leaves extract [mg/g].
| Phenolic Compounds | Numbers in Figure 1 | Wild Bilberry Leaves Extract |
|---|---|---|
| Derivatives of hydroxycinnamic acid | ||
| Neochlorogenic acid | 3 | 0.34 |
| Chlorogenic acid | 5 | 45.51 |
| Chlorogenic acid derivative | 21 | * |
| Caffeic acid | 7 | 1.95 |
| p-coumaric acid | 9 | 1.26 |
| Sinapic acid | 10 | 0.18 |
| Ferulic acid | 11 | 0.26 |
| Derivatives of hydroxybenzoic acid | ||
| Gallic acid | 1 | 0.80 |
| Protocatechuic acid | 4 | 1.40 |
| Flavones and flavonols | ||
| Rutin | 13 | 4.73 |
| Hyperoside | 14 | 2.51 |
| Isoquercetin | 15 | 14.62 |
| Kaempferol-3-O-glucoside | 18 | 1.56 |
| Quercetin | 22 | 2.11 |
| Quercetin derivative 1 | 19 | * |
| Kaempferol | 23 | 0.10 |
| Flavanols | ||
| Procyanidin B2 | 6 | 1.29 |
| Epicatechin | 8 | 7.53 |
| Stilbenes | ||
| Resveratrol | 20 | 7.25 |
| Stilbenoid derivative 1 | 12 | * |
| Stilbenoid derivative 2 | 16 | * |
| Stilbenoid derivative 3 | 17 | * |
| Pyrogallol | 2 | 2.45 |
* tentative identification.