Table 4.
Intake of total polyphenols and classes (according to PE/USDA databases) during the PR-diet and the C-diet.
| Title 1 | Flavonoids | Phenolic Acids | Stilbenes | Lignans | Other Polyphenols |
|---|---|---|---|---|---|
| PR-diet | |||||
| All | 634.3 ± 171.8 | 198.1 ± 52.2 | 0.2 ± 0.4 | 0.8 ± 0.3 | 16.4 ± 5.3 |
| Men | 594.6 ± 152.2 | 201.1 ± 74.3 | 0.4 ± 0.6 | 0.7 ± 0.3 | 16.7 ± 6.3 |
| Women | 662.1 ± 163.5 | 195.9 ± 42.0 | 0.1 ± 0.2 | 0.8 ± 0.3 | 16.2 ± 5.3 |
| p value # | 0.098 | 0.810 | 0.108 | 0.206 | 0.827 |
| C-diet | |||||
| All | 273.8 ± 119.8 | 128.2 ± 60.9 | 0.3 ± 0.5 | 0.9 ± 0.4 | 17.0 ± 5.4 |
| Men | 260.9 ± 109.6 | 128.8 ± 57.8 | 0.4 ± 0.4 | 0.9 ± 0.4 | 15.9 ± 5.7 |
| Women | 282.9 ± 125.6 | 127.8 ± 63.0 | 0.2 ± 0.5 | 0.9 ± 0.4 | 17.8 ± 4.9 |
| p value # | 0.453 | 0.271 | 0.033 | 0.745 | 0.271 |
| p value † | <0.0001 | <0.0001 | 0.386 | 0.303 | 0.164 |
| p value ¥ | <0.0001 | 0.001 | 0.575 | 0.068 | 0.807 |
| p value § | <0.0001 | <0.0001 | 0.348 | 0.060 | 0.331 |
All data are expressed as mean ± standard deviation (SD); PR, polyphenol-rich diet; C, control diet. † Comparison between PR-diet vs. C-diet in women. ¥ Comparison between PR-diet vs. C-diet in men. # Comparison between women and men in PR-diet and C-diet. § Comparison between PR-diet vs. C-diet in all subjects. Comparisons have been performed using the Wilcoxon–Mann–Whitney test.