Table 2.
Inter-individual variation in urinary total (36 h) phenolic acid metabolites after coffee consumption (n = 36).
| Baseline | Range after coffee consumption | Average | CV | |||
|---|---|---|---|---|---|---|
| (µmol) | Lowest (µmol) | Highest (µmol) | Difference (-fold) | Mean ± SD (µmol) | (%) | |
| FA-4′-sulfate | 0.9 ± 2.5 | 9.9 | 74.3 | 7.5 | 35.6 ± 19.2 | 72.6 |
| DHFA-4′-sulfate | 0.4 ± 1.0 | 4.4 | 67.5 | 15.3 | 24.7 ± 17.9 | 72.1 |
| DHCA-3′-sulfate | 0.8 ± 1.6 | 7.1 | 257.7 | 36.3 | 68.3 ± 54.8 | 80.3 |
| DHFA | 0.2 ± 0.4 | 3.3 | 46.8 | 14.2 | 17.1 ± 11.3 | 66.0 |
| FA-gly | 1.2 ± 2.2 | 11.3 | 110.3 | 9.8 | 50.6 ± 22.9 | 45.2 |
| VA-gly | 0.8 ± 2.4 | 7.4 | 123.3 | 16.6 | 42.0 ± 30.1 | 71.7 |
| Total | 68.5 | 435 | 6.4 | 238.2 ± 109.5 | 45.9 | |