| Parameter | DPRa | DUTCHb | CHINAc | CANADAd | UKe |
| Copper (mg/kg) | 36.00 | 36.00 | 35.00 | 63.00 | - |
| Zinc (mg/kg) | 140.00 | 140.00 | 100.00 | 200.00 | - |
| Iron (mg/kg) | - | - | - | - | - |
| Manganese (mg/kg) | - | - | - | - | - |
| Nickel (mg/kg) | 35.00 | 35.00 | 40.00 | 50.00 | - |
| Lead (mg/kg) | 85.00 | 85.00 | 35.00 | 70.00 | 500.00 |
| Cadmium (mg/kg) | 0.80 | 0.80 | 0.20 | 1.40 | 1.00 |
| Chromium (mg/kg) | 100.00 | 100.00 | 90.00 | 64.00 | 25.00 |