| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Brassica oleracea | Stem | -- | 0.02 | * | |
| Camellia sinensis | Leaf | -- | -- | * | |
| Glycyrrhiza glabra | Root Essent. Oil | -- | -- | * | |
| Glycyrrhiza glabra | Root | -- | -- | * | |
| Murraya koenigii | Leaf | -- | 0.1 | * | |
| Sesamum indicum | Seed | -- | -- | * | |
| Tamarindus indica | Fruit Essent. Oil | -- | 12300.0 | * |