| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Origanum vulgare | Plant | -- | -- | * | |
| Petroselinum crispum | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| Petroselinum crispum | Tissue Culture | -- | -- | * | |
| Prunus cerasus | Fruit | -- | -- | * | |
| Prunus persica | Plant | -- | -- | * | |
| Pterocarpus marsupium | Plant | -- | -- | Blaschek, W., Hansel, R., Keller, K., Reichling, J., Rimpler, H., and Schneider, G. eds. 1998. Hager's Handbuch der Pharmazeutischen Praxis, Auflage Band 2 (A-K), 909 pp., (L-Z), 858 pp. Springer-Verlag, Berlin. | |
| Salix sp. | Plant | -- | -- | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. | |
| Silybum marianum | Seed | -- | -- | * | |
| Silybum marianum | Fruit | -- | -- | * | |
| Thymus vulgaris | Plant | -- | -- | * | |
| Vigna radiata | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. |