| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Camellia sinensis | Anther | -- | -- | * | |
| Camellia sinensis | Seed Coat | -- | -- | * | |
| Camellia sinensis | Leaf | 500.0 | 1100.0 | -1.0 | * |
| Camellia sinensis | Flower | -- | -- | * | |
| Camellia japonica | Leaf | -- | -- | Wealth of India. | |
| Camellia sinensis | Stem | -- | -- | * | |
| Camellia sinensis | Pericarp | -- | -- | * | |
| Camellia japonica | Flower | -- | -- | * | |
| Camellia sinensis | Seed | -- | -- | * | |
| Coffea arabica | Seed | 18.0 | 20.0 | -0.5 | * |
| Coffea arabica | Leaf | -- | -- | * | |
| Cola acuminata | Seed | -- | 1000.0 | -0.4 | * |
| Ilex paraguariensis | Leaf | 960.0 | 5000.0 | 1.0 | * |
| Paullinia cupana | Seed | 200.0 | 400.0 | -0.5 | * |
| Theobroma bicolor | Seed | 1139.0 | 1710.0 | -0.4 | * |
| Theobroma angustifolium | Testa | 294.0 | 332.0 | -1.4 | * |
| Theobroma cacao | Testa | 936.0 | 13000.0 | 1.0 | * |
| Theobroma bicolor | Petiole | 117.0 | 129.0 | 0.0 | * |
| Theobroma angustifolium | Seed | 330.0 | 368.0 | -0.5 | * |
| Theobroma cacao | Seed | 10000.0 | 35000.0 | 2.2 | * |