Table 3.
Tea variety | Mycotoxin | Concentration (µg kg−1) | PDI (µg kg−1 bw day−1) | PDI/TDI (%) *** | |||
---|---|---|---|---|---|---|---|
UB | Max | UB | Max | UB | Max | ||
Green | OTA | 0.60 | 3.40 | 2.96 × 10−5 | 1.68 × 10−4 | 0.17 | 0.98 |
AFB1 | 0.47 | 2.99 | 2.32 × 10−5 | 1.47 × 10−4 | 0.01 | 0.09 | |
∑(AFs) * | 1.55 | 7.67 | 7.64 × 10−5 | 3.78 × 10−4 | 0.04 | 0.22 | |
DON | 127 | 859 | 6.26 × 10−3 | 4.23 × 10−2 | 0.63 | 4.23 | |
∑(DON derivatives) ** | 740 | 4512 | 3.65 × 10−2 | 2.22 × 10−1 | 3.60 | 22.2 | |
Black | OTA | 0.97 | 7.70 | 4.41 × 10−5 | 3.50 × 10−4 | 0.26 | 2.05 |
AFB1 | 2.36 | 39 | 1.07 × 10−4 | 1.77 × 10−3 | 0.06 | 1.04 | |
∑(AFs) * | 6.35 | 103 | 2.88 × 10−4 | 4.68 × 10−3 | 0.17 | 2.75 | |
DON | 28.5 | 211 | 1.29 × 10−3 | 9.59 × 10−3 | 0.13 | 0.96 | |
∑(DON derivatives) ** | 103 | 549 | 4.68 × 10−3 | 2.49 × 10−2 | 1.00 | 2.50 | |
Pu-erh | OTA | 0.71 | 4.05 | 1.84 × 10−5 | 1.86 × 10−4 | 0.19 | 1.08 |
AFB1 | 1.30 | 9.17 | 5.91 × 10−5 | 4.17 × 10−4 | 0.03 | 0.25 | |
∑(AFs) * | 3.18 | 20.1 | 1.44 × 10−4 | 9.13 × 10−4 | 0.08 | 0.54 | |
DON | 2221 | 8946 | 4.06 × 10−1 | 4.06 × 10−1 | 10.1 | 40.6 | |
∑(DON derivatives) ** | 5461 | 17360 | 7.89 × 10−1 | 7.89 × 10−1 | 24.8 | 78.9 | |
ZEN | 11.3 | 56.1 | 5.13 × 10−4 | 2.76 × 10−3 | 0.20 | 1.11 | |
Peppermint | OTA | 2.99 | 4.2 | 1.07 × 10−4 | 1.51 × 10−4 | 0.63 | 0.88 |
AFB1 | 2.84 | 5.62 | 1.02 × 10−4 | 2.02 × 10−4 | 0.06 | 0.12 | |
∑(AFs) * | 8.16 | 15.7 | 2.93 × 10−4 | 5.63 × 10−4 | 0.17 | 0.33 | |
DON | 567 | 953 | 7.67 × 10−2 | 3.42 × 10−2 | 2.03 | 3.42 | |
∑(DON derivatives) ** | 3599 | 5631 | 1.29 × 10−1 | 2.02 × 10−1 | 12.9 | 27.7 |
UB: upper-bound level of mean. * ∑(AFs): the total concentration of AFB1, AFB2, AFG1, and AFG2. ** ∑(DON derivatives): the total concentration of DON, D3G, 3-AcDON, and 15-AcDON; TDI (DON) = 1 µg kg−1 bw day−1, TDI(∑(DON metabolites)) = 1; TDI(OTA) = 0.0171 µg kg−1 bw day−1; TDI(ZEN) = 0.25 µg kg−1 bw day−1. *** For sum of aflatoxins, the benchmark dose lower confidence limit (BMDL10) for a 10% increase in cancer incidence obtained from animal study data modelling (170 ng kg−1 bw day−1) was considered.