| Metal | Ranges of metal concentration (mg/kg) | Overall range (mg/kg) | ||
| White | Brown | Red | ||
| Na | 82.3 - 98.8 | 86.5 - 103.8 | 89.2 - 109.7 | 82.3 - 109.7 |
| K | 2879 - 2906 | 2944.8 - 3024.7 | 2948.6 - 3074.7 | 2879 - 3074.7 |
| Mg | 2464 - 2483 | 2464.4 - 2512.5 | 2502.7 - 2555.2 | 2464 - 2555.2 |
| Ca | 1234 - 1413 | 1206.5 - 146.5 | 1486 - 1769.5 | 1206.5 - 1769.5 |
| Fe | 211.7 - 213 | 213.5 - 237.7 | 205.6 - 239.9 | 205.6 - 239.9 |
| Mn | 61.6 - 71.8 | 55.8 - 68.6 | 57.3 - 100.1 | 55.8 - 100.1 |
| Zn | 27 - 85.8 | 38 - 70.1 | 38.4 - 87.3 | 27 - 87.3 |
| Cu | 6.42 - 41.7 | 5.4 - 45.5 | 15.3 - 28.8 | 5.4 - 45.5 |
| Pb | 0.122 - 0.130 | 0.119 - 0.130 | 0.118 - 0.125 | 0.118 - 0.130 |
| Cd | ND | ND | ND | ND |