Table 15. Average daily dose (ADD, non-cancer risk), hazard quotient (HQ) and hazard index (HI) of heavy metals in roasted coffee bean by the country of origin
| Country of origin | Average daily dose (ADD) (mg/kg/day) | Hazard quotient (HQ) | Hazard index (HI) |
| Pb | Cd | Pb | Cd |
| America | 5.27 × 10–7 | 4.31 × 10–7 | 1.05 × 10–3 | 8.62 × 10–4 | 1.92 × 10–3 |
| Brazil | 1.39 × 10–6 | 3.83 × 10–7 | 2.78 × 10–3 | 7.66 × 10–4 | 3.54 × 10–3 |
| Colombia | 3.45 × 10–6 | 5.75 × 10–7 | 6.90 × 10–3 | 1.15 × 10–3 | 8.05 × 10–3 |
| Costa Rica | 2.16 × 10–6 | 6.23 × 10–7 | 4.31 × 10–3 | 1.25 × 10–3 | 5.56 × 10–3 |
| Ethiopia | 5.27 × 10–6 | 1.92 × 10–7 | 1.05 × 10–2 | 3.83 × 10–4 | 1.09 × 10–2 |
| Guatemala | 3.45 × 10–6 | 7.19 × 10–7 | 6.90 × 10–3 | 1.44 × 10–3 | 8.33 × 10–3 |
| Italia | 1.92 × 10–6 | 2.40 × 10–7 | 3.83 × 10–3 | 4.79 × 10–4 | 4.31 × 10–3 |
| Japan | 3.88 × 10–6 | 2.87 × 10–7 | 7.76 × 10–3 | 5.75 × 10–4 | 8.33 × 10–3 |
| Kenya | 3.64 × 10–6 | 1.92 × 10–7 | 7.28 × 10–3 | 3.83 × 10–4 | 7.66 × 10–3 |
| Panama | - | 1.44 × 10–7 | - | 2.87 × 10–4 | 2.87 × 10–4 |
| El Salvador | 2.68 × 10–6 | 4.31 × 10–7 | 5.37 × 10–3 | 8.62 × 10–4 | 6.23 × 10–3 |
| More than two countries | 4.12 × 10–6 | 3.35 × 10–7 | 8.24 × 10–3 | 6.71 × 10–4 | 8.91 × 10–3 |
| Others | 1.20 × 10–6 | 3.83 × 10–7 | 2.40 × 10–3 | 7.66 × 10–4 | 3.16 × 10–3 |
| Total | 3.31 × 10–6 | 3.83 × 10–7 | 6.61 × 10–3 | 7.66 × 10–4 | 7.38 × 10–3 |