Table 3.
Aflatoxin B1 and ochratoxin A contents (ng/kg) in food groups included in the total dietary study.
| Food Group a | Number of Composite Samples | Aflatoxin B1 | Ochratoxin A | ||||
|---|---|---|---|---|---|---|---|
| Number of Test Results < LOD | Concentration (ng/kg) b | Number of Test Results < LOD | Concentration (ng/kg) b | ||||
| MB | LB-UB | MB | LB-UB | ||||
| Rice and products | 3 | 1 | 2989 | 2400–3020 | 3 | 950 | 0–1900 |
| Wheat and products | 1 | 0 | 1000 | 1000 | 1 | 950 | 0–1900 |
| Tubes, root and products | 2 | 1 | 2171 | 1670–2670 | 2 | 950 | 0–190 |
| Beans and products | 4 | 1 | 2864 | 2610–3110 | 2 | 9683 | 9210–10,160 |
| Tofu | 1 | 1 | 1000 | 0–2000 | 1 | 950 | 0–1900 |
| Oily seeds | 1 | 0 | 4086 | 4086 | 1 | 950 | 0–1900 |
| Vegetables | 1 | 0 | 3470 | 3470 | 1 | 950 | 0–1900 |
| Sugar/confectionary | 5 | 0 | 4033 | 4033 | 4 | 1173 | 410–1930 |
| Oil, fat | 2 | 0 | 3382 | 3382 | 1 | 1462 | 980–1940 |
| Meat and products | 11 | 1 | 4077 | 3990–4170 | 4 | 2685 | 2340–3032 |
| Egg and milk | 4 | 0 | 5326 | 5325 | 1 | 3164 | 2930–3400 |
| Fish | 2 | 1 | 2301 | 1800–2800 | 1 | 2245 | 1770–2720 |
| Other aquaculture products | 3 | 0 | 2518 | 1850–3180 | 0 | 4850 | 4850 |
| Total | 40 | 6 | 20 | ||||
a Food groups were categorized according to a previous national survey [16]. b Medium bound (MB) figures (ND = LOD/2) were used as mean values. Lower bound (LB) and upper bound (UB) figures. LOD, limit of detection.