Table 1.
Twenty-four-hour urine composition after the consumption of fruit tea (control day) and black tea (test day) (n = 10).
| Fruit Tea | Black Tea | p-Value | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Volume (L/24 h) | 2.477 ± 0.504 | 2.378 ± 0.420 | 0.684 |
| Density (g/cm3) | 1.008 ± 0.002 | 1.008 ± 0.001 | 0.813 |
| pH | 6.27 ± 0.29 | 6.28 ± 0.35 | 0.959 |
| Sodium (mmol/24 h) | 205 ± 47 | 206 ± 22 | 0.959 |
| Potassium (mmol/24 h) | 72 ± 18 | 68 ± 14 | 0.386 |
| Calcium (mmol/24 h) | 5.41 ± 1.81 | 5.40 ± 1.56 | 0.879 |
| Magnesium (mmol/24 h) | 5.11 ± 1.13 | 5.16 ± 0.86 | 0.647 |
| Ammonium (mmol/24 h) | 36.8 ± 6.6 | 38.6 ± 11.0 | 0.575 |
| Chloride (mmol/24 h) | 205 ± 49 | 204 ± 21 | 0.959 |
| Phosphate (mmol/24 h) | 31.1 ± 3.5 | 31.6 ± 5.1 | 0.799 |
| Sulfate (mmol/24 h) | 20.4 ± 4.4 | 17.6 ± 4.3 | 0.169 |
| Creatinine (mmol/24 h) | 18.20 ± 2.02 | 17.32 ± 1.58 | 0.203 |
| Uric acid (mmol/24 h) | 3.58 ± 0.53 | 3.40 ± 0.43 | 0.169 |
| Oxalate (mmol/24 h) | 0.309 ± 0.052 | 0.340 ± 0.032 | 0.139 |
| Citrate (mmol/24 h) | 2.793 ± 0.664 | 3.387 ± 0.789 | 0.002 |
| RS Calcium oxalate | 3.117 ± 1.032 | 3.514 ± 1.249 | 0.386 |
| RS Uric acid | 0.741 ± 0.519 | 0.760 ± 0.692 | 0.799 |
| RS Struvite | 0.065 ± 0.069 | 0.082 ± 0.083 | 0.285 |
Abbreviations: RS, relative supersaturation; SD, standard deviation.