| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Cuminum cyminum | Fruit | -- | 3.6 | 0.3 | * |
| Pistacia vera | Seed | -- | 1.1 | -0.7 | * |
| Oryza sativa | Seed | -- | 1.632 | -0.6 | * |
| Cinnamomum verum | Bark | -- | 1.1 | * | |
| Cinnamomum verum | Leaf | -- | 4.2 | -0.3 | * |
| Carum carvi | Fruit | -- | 7.0 | 1.3 | * |
| Cinnamomum burmannii | Bark | -- | -- | * | |
| Taraxacum officinale | Plant | -- | -- | * | |
| Coriandrum sativum | Fruit | -- | 2.4 | -0.0 | * |
| Juglans nigra | Seed | -- | 4.8 | 0.0 | Furr, A.K., et al. 1979 |
| Quercus rubra | Seed | -- | 0.4 | -0.8 | * |
| Polystichum polyblepharum | Plant | -- | -- | * | |
| Triticum aestivum | Seed | -- | 2.37 | -0.5 | * |
| Petasites japonicus | Plant | -- | -- | Chem. & Pharm. Bull. 38: 2205. | |
| Syzygium aromaticum | Flower | -- | 2.4 | -1.0 | * |
| Boehmeria nivea | Plant | -- | -- | * | |
| Fallopia japonica | Plant | -- | -- | Chem. & Pharm. Bull. 38: 2205. | |
| Peucedanum decursivum | Plant | -- | -- | * | |
| Lepidium sativum | Leaf | -- | 0.04 | -0.4 | * |
| Cuminum cyminum | Seed | -- | 3.6 | -0.2 | * |