Table 2.
The total content of phenolic compounds (TPC) and flavonoids (TF) in the analyzed extracts, according to the HPLC results 1.
| Extract/Parameter | Ee | Emw |
|---|---|---|
| TPC (μg GAE/g extract) | 790.23 ± 12.51 a | 672.25 ± 14.83 b |
| TF (mg RE/g extract) | 71.54 ± 0.53 b | 72.82 ± 0.44 a |
| Catechin (mg/g) | 51.008 ± 1.551 b | 55.004 ± 1.752 a |
| Epicatechin (mg/g) | 25.059 ± 0.421 b | 26.728 ± 0.371 a |
| Coumaric acid (mg/g) | 0.013 ± 0.001 b | 0.029 ± 0.001 a |
| Hyperoside (mg/g) | 211.96 ± 4.547 b | 252.45 ± 4.318 a |
| Rutin (mg/g) | 0.228 ± 0.009 b | 0.623 ± 0.016 a |
| Naringin (mg/g) | 0.166 ± 0.004 b | 0.225 ± 0.01 a |
| Malvidin (mg/g) | 121.92 ± 1.221 a | 113.99 ± 1.891 b |
| Genistein (mg/g) | 0.273 ± 0.01 a | 0.152 ± 0.006 b |
| Gallic acid | N.D. | N.D. |
| Caffeic acid | N.D. | N.D. |
| Chlorogenic acid | N.D. | N.D. |
| Naringenin | N.D. | N.D. |
1 Values represent the means of five determinations (for TPC and TF) or three determinations (for HPLC results) ± SE; values in the same row without a common superscript letter differed statistically (p < 0.05) as analyzed by one-way ANOVA and the TUKEY test; N.D.—not detected.