Table 3.
Investigation of aflatoxin contamination in herbal materia medica in our factory from 2005 to 2016.
| Parts | Items | No. of samples | AF-contaminated samples | AFB1 detected value (μg/kg) | Out of specifications | |
|---|---|---|---|---|---|---|
|
| ||||||
| Total AFs > 10 ppb | AFB1 > 5 ppb | |||||
| Semen | Platycladi Semen | 233 | 216 (93%) | 0.25–592.0 | 151 (65%) | 183 (79%) |
| Coicis Semen | 37 | 7 (19%) | 0.40–12.0 | 1 (3%) | 1 (3%) | |
| Nelumbinis Semen | 32 | 4 (13%) | 0.31–163.3 | 2 (6%) | 3 (9%) | |
| Arecae Semen | 17 | 5 (29%) | 1.54–38.5 | – | 3 (18%) | |
| Cassiae Semen | 8 | 4 (50%) | 2.67–12.9 | 2 (25%) | 3 (38%) | |
| Ziziphi Spinosae Semen | 8 | 1 (13%) | 1.03 | – | – | |
| Persicae Semen | 7 | – | – | – | – | |
| Rhizoma | Corydalis Rhizoma | 200 | 98 (49%) | 0.21–693.4 | 53 (27%) | 63 (32%) |
| Belamacanae Rhizoma | 10 | – | – | – | – | |
| Fructus | Jujubae Fructus | 99 | – | – | – | |
| Corni Fructus | 66 | 23 (35%) | 0.25–0.73 | 2 (3%) | – | |
| Crataegi Fructus | 35 | – | – | – | – | |
| Lycii Fructus | 34 | – | – | – | – | |
| Ligustri Fructus | 27 | – | – | – | – | |
| Foeniculi Fructus | 25 | – | – | – | – | |
| Radix | Astragli Radix | 75 | – | – | – | – |
| Hedysari Radix | 28 | – | – | – | – | |
| Polygalae Radix | 16 | 6 (38%) | 2.26–118.1 | 3 (19%) | 3 (19%) | |
| Saposhnikoviae Radix | 6 | – | – | – | – | |
| Scrophulariae Radix | 5 | – | – | – | – | |
| Glycyrrhizae Radix | 5 | – | – | – | – | |
| Others | Citri Reticulatae Pericarpium | 65 | 2 (3%) | 0.30–0.53 | – | – |
| Massa Medicata Fermentata | 15 | 7 (5%) | 0.38–2.03 | – | – | |
| Arecae Pericarpium | 14 | – | – | – | – | |
| Total | 1067 | 373 (35%) | – | 214 (20%) | 259 (24%) | |