Table 2.
Occurrence of 4,15-DAS, its modified forms, NES, T-2 toxin and HT-2 toxin in Japanese retail food.
| Analyte | LOD/LOQ (µg/kg) | Commodity | |||||
|---|---|---|---|---|---|---|---|
| Wheat Flour | Job’s Tears Product | Rye Flour | Corn Flour | Azuki Bean | |||
| No. of Sample | 101 | 46 | 41 | 27 | 33 | ||
| 4,15-DAS | Positive rate (%) a | 0 | 63 | 0 | 15 | 9 | |
| 0.1/0.2 | Mean (µg/kg) | - | 13 | - | 0.07 | 0.02 | |
| Maximum (µg/kg) | - | 70 | - | 0.8 | 0.3 | ||
| 7-HDAS | Positive rate (%) | 0 | 13 | 0 | 0 | 0 | |
| 0.2/0.5 | Mean (µg/kg) | - | 0.1 | - | - | - | |
| Maximum (µg/kg) | - | 2 | - | - | - | ||
| NES | Positive rate (%) | 0 | 13 | 0 | 0 | 0 | |
| 0.2/0.5 | Mean (µg/kg) | - | 0.2 | - | - | 0 | |
| Maximum (µg/kg) | - | 3 | - | - | - | ||
| 7,8-diHDAS | Positive rate (%) | 0 | 63 | 0 | 7 | 0 | |
| 0.1/0.2 | Mean (µg/kg) | - | 2 | - | 0.07 | - | |
| Maximum (µg/kg) | - | 10 | - | 1 | - | ||
| 4,15-diANIV | Positive rate (%) | 0 | 50 | 0 | 0 | 0 | |
| 0.2/0.5 | Mean (µg/kg) | - | 2 | - | - | - | |
| Maximum (µg/kg) | - | 16 | - | - | - | ||
| compound 4 | Positive rate (%) | 0 | 41 | 0 | 7 | 6 | |
| 0.1/0.2 | Mean (µg/kg) | - | 0.5 | - | 0.02 | 0.03 | |
| Maximum (µg/kg) | - | 4 | - | 0.4 | 0.6 | ||
| T-2 toxin | Positive rate (%) | 9 | 41 | 56 | 22 | 36 | |
| 0.1/0.2 | Mean (µg/kg) | 0.04 | 2 | 0.5 | 0.1 | 0.9 | |
| Maximum (µg/kg) | 1 | 28 | 4 | 1 | 8 | ||
| HT-2 toxin | Positive rate (%) | 26 | 41 | 76 | 15 | 55 | |
| 0.1/0.4 | Mean (µg/kg) | 0.4 | 2 | 2 | 0.1 | 1 | |
| Maximum (µg/kg) | 4 | 14 | 18 | 1 | 6 | ||
a Percentage > LOQ.