Table 2.
Plasma concentrations (ng/mL) at 40th week of age of the following (poly)phenol metabolites: (+)-catechin, protocatechuic acid, p-coumaric acid, syringic acid, (-)-epicatechin, 2-hydroxybenzoic acid, 5-hydroxybenzoic acid, m-coumaric acid, 2,4 dihydroxybenzoic acid, 4-hydroxybenzoic acid, (-)-epicatechin-3-O-methylether, (-)-epicatechin-4-O-methlether, 3-hydrocyphenylacetic acid. (n = 4 animals for control and 5 animals in 1% Long Treatment, LT and 2% Short Treatment, ST groups.
| Values (ng /mL) | Control | 1% LT | 2% ST |
|---|---|---|---|
| (+)-catechin | 0.89 ± 0.13 a | 1.22 ± 0.13 a | 7.95 ± 1.79 b |
| (-)-epicatechin | 0.20 ± 0.12 a | 0.61 ± 0.22 a | 3.14 ± 0.83 b |
| (-)-epicatechin-3-O-methylether | 1.85 ± 0.28 a | 4.21 ± 1.30 a | 15.59 ± 2.44 b |
| (-)-epicatechin-4-O-methylether | 1.63 ± 0.98 a | 1.28 ± 0.31 a | 2.36 ± 0.56 a |
| m-coumaric acid | 17.03 ± 1.96 a | 20.25 ± 6.46 a | 60.00 ± 17.47 b |
| p-coumaric acid | 5.76 ± 1.13 a | 6.03 ± 1.03 a | 12.96 ± 1.39 b |
| 2-hydroxybenzoic acid | 22.57 ± 3.36 a | 20.37 ± 2.61 a | 23.62 ± 4.03 a |
| 3-hydroxybenzoic acid | 43.60 ± 9.96 a | 84.05 ± 17.62 a | 1311.00 ± 363.10 b |
| 2.4-dihydroxybenzoic acid | 4.80 ± 1.48 a | 6.37 ± 1.11 a | 3.98 ± 1.01 a |
| 4-hydroxybenzoic acid | 17.81 ± 6.16 a | 9.44 ± 1.81 a | 11.35 ± 3.18 a |
| Protocatechuic acid | 8.07 ± 1.37 a | 5.88 ± 0.50 a | 10.00 ± 1.94 a |
| Syringic acid | 6.15 ± 0.74 a | 6.14 ± 1.53 a | 7.54 ± 1.56 a |
| 3-hydroxyphenylacetic acid | 112.00 ± 4.33 a | 150.20 ± 20.72 a | 234.80 ± 14.80 b |
a,b in superscripts indicate significant differences between group (p < 0.05).