Table 3.
Total and main classes of dietary polyphenols by consumption of polyphenol-rich beverages.
| Tea | Coffee | Fresh Citrus Juice | ||||
|---|---|---|---|---|---|---|
| T1 | T3 | T1 | T3 | T1 | T3 | |
| Total polyphenols (mg/d) | 650.5 (833.3) | 767.4 (430.1) ** | 713.4 (899.0) | 674.3 (396.6) * | 669.2 (492.4) | 666.4 (798.8) |
| Flavonoids (mg/d) | 208.7 (189.6) | 354.5 (222.4) ** | 276.6 (241.6) | 263.8 (194.5) * | 265.9 (188.6) | 251.8 (217.7) |
| Phenolic acids (mg/d) | 368.9 (302.9) | 396.6 (735.8) * | 366.5 (276.2) | 391.7 (792.0) * | 361.7 (404.3) | 374.4 (694.8) |
| Stilbenes (mg/d) | 2.1 (4.0) | 1.7 (3.4) | 1.03 (1.81) | 2.3 (4.2) ** | 2.6 (4.4) | 0.9 (1.5) ** |
| Lignans (mg/d) | 2.7 (2.8) | 2.8 (2.5) | 2.9 (3.1) | 2.7 (2.3) | 2.6 (2.2) | 2.8 (3.0) |
Results are expressed as mean (SD); * denotes p < 0.05 for ANOVA or ANCOVA analysis; ** denotes p < 0.001 for ANOVA or ANCOVA analysis.