Table 1.
Mineral composition of the six test products (MW 1: mineral water 1; MW 2: mineral water 2; MW 3: mineral water 3; MW 4: mineral water 4; Suppl.: magnesium supplement) .
| Mineral value | MW 1 | MW 2 | MW 3 | MW 4 | Bread a | Suppl.b |
|---|---|---|---|---|---|---|
| Mg2+ | 241 mg/l | 108 mg/l | 124 mg/l | 137 mg/l | 531 mg/kg | 110 mg/pill |
| Ca2+ | 168 mg/l | 348 mg/l | 528 mg/l | 290 mg/l | n.a. | - |
| Na+ | 261 mg/l | 118 mg/l | 28.8 mg/l | 100 mg/l | n.a. | - |
| Cl− | 14 mg/l | 40 mg/l | 28.9 mg/l | 181 mg/l | n.a. | - |
| SO42- | 17 mg/l | 38 mg/l | 1463 mg/l | 8.8 mg/l | n.a. | - |
| HCO3− | 2451 mg/l | 1816 mg/l | 403 mg/l | 1519 mg/l | n.a. | - |
n.a.: not analyzed; a whole rye; b magnesium carbonate (MgCO3)