Table 3.
Natural occurrence of the four Alternaria toxins in the 2015 wheat samples from different regions of Anhui province.
| Region | Mycotoxin | Range (μg/kg) | Average (μg/kg) | Median (μg/kg) | Frequency, % |
|---|---|---|---|---|---|
| Chuzhou (n = 53) | TeA | 6.0–3330.7 | 205.6 | 108.1 | 100 (53/53) |
| TEN * | 0.9–83.0 | 20.4 | 15.3 | 43 (23/53) | |
| AOH | 1.3–57.1 | 12.1 | 7.8 | 87 (46/53) | |
| AME | 2.1–17.6 | 6.2 | 3.9 | 9 (5/53) | |
| Fuyang (n = 93) | TeA | 53.7–2518.1 | 582.6 | 412.8 | 100 (93/93) |
| TEN * | 2.3–258.6 | 77.2 | 66.5 | 99 (92/93) | |
| AOH | 1.3–74.4 | 18.3 | 16.0 | 67 (62/93) | |
| AME | 0.3–46.1 | 8.5 | 4.2 | 38 (35/93) | |
| Huainan (n = 13) | TeA | 116.2–587.7 | 311.6 | 294.9 | 100 (13/13) |
| TEN * | 5.5–22.3 | 11.0 | 10.7 | 69 (9/13) | |
| AOH | 4.3–47.3 | 26.8 | 26.6 | 46 (6/13) | |
| AME | 1.4–16.4 | 8.8 | 10.6 | 38 (5/13) | |
| Suzhou (n = 86) | TeA | 13.2–832.3 | 125.0 | 86.5 | 100 (86/86) |
| TEN * | 0.4–76.7 | 14.2 | 8.7 | 58 (50/86) | |
| AOH | 1.3–15.5 | 3.9 | 2.8 | 23 (20/86) | |
| AME | 18.7 | 18.7 | 18.7 | 1 (1/86) | |
| Bozhou (n = 35) | TeA | 19.0–826.7 | 250.7 | 183.3 | 100 (35/35) |
| TEN * | 1.2–220.9 | 54.6 | 41.2 | 97 (34/35) | |
| AOH | 1.6–30.3 | 6.5 | 3.2 | 46 (16/35) | |
| AME | 0.9–9.8 | 4.2 | 3.1 | 11 (4/35) | |
| Lv’an (n = 22) | TeA | 21.1–1591.6 | 225.9 | 108.2 | 100 (22/22) |
| TEN * | 1.9–83.2 | 15.1 | 10.2 | 82 (18/22) | |
| AOH | 1.3–33.9 | 12.5 | 9.6 | 50 (11/22) | |
| AME | 0.9–54.8 | 20.7 | 13.4 | 18 (4/22) | |
| Bengbu (n = 41) | TeA | 21.2–616.2 | 131.1 | 93.4 | 100 (41/41) |
| TEN * | 0.5–101.5 | 21.6 | 14.1 | 80 (33/41) | |
| AOH | 1.7–9.9 | 4.1 | 2.8 | 12 (5/41) | |
| AME | 10.2 | 10.2 | 10.2 | 2 (1/41) | |
| Others (n = 27) | TeA | 47.3–1280.2 | 294.1 | 220.7 | 100 (27/27) |
| TEN * | 6.6–123.1 | 48.0 | 45.6 | 100 (27/27) | |
| AOH | 2.3–12.8 | 7.3 | 7.5 | 26 (7/27) | |
| AME | 0 | 0 | 0 | 0 (0/27) |
* The concentration of TEN in samples from Fuyang was significantly higher than those from the other seven regions (p < 0.05).