Table 21.
Estimated consumption of raw cassava root (g/eating occasion) that can be consumed without exceeding the ARfD of 20 μg/kg bw using the highest CN levelsa reported in the literature for cassava sold as ‘sweet raw’ cassava as an occurrence value
| Age group | Body weight (kg) | Total CN (mg/kg) | Correction factor | ARfD (mg/kg bw) | Maximum consumption (g/eating occasion) | ||||
|---|---|---|---|---|---|---|---|---|---|
| P5 | Mean | P95 | P5 | Mean | P95 | ||||
| Raw cassava root | |||||||||
| Toddlers | 8.7 | 11.9 | 15.9 | 235b | 1 | 0.02 | 0.7 | 1.0 | 1.4 |
| Other children | 14 | 23.1 | 37 | 235b | 1 | 0.02 | 1.2 | 2.0 | 3.2 |
| Young adolescents | 29.4 | 43.4 | 62 | 235b | 1 | 0.02 | 2.5 | 3.7 | 5.3 |
| Adolescents | 45 | 61.3 | 83 | 235b | 1 | 0.02 | 3.8 | 5.2 | 7.1 |
| Adults | 52 | 73.9 | 100 | 235b | 1 | 0.02 | 4.4 | 6.3 | 8.5 |
ArfD: acute reference dose; bw: body weight; P5: 5th percentile; P95: 95th percentile; ML: maximum level.
a
Originating from CNGs and cyanohydrins by complete hydrolysis during sample preparation. The term ‘HCN’ used in Codex standards corresponds to the term ‘total cyanide’ used in the present opinion.
b
The highest concentration (mg total CN/kg) reported in the literature.