| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Spinacia oleracea | Seed | -- | -- | * | |
| Aesculus hippocastanum | Seed | -- | -- | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. | |
| Camellia sinensis | Seed Oil | -- | -- | * | |
| Chelidonium majus | Root | -- | -- | * | |
| Ginkgo biloba | Plant | -- | -- | J.S. Glasby Dict.Pls Containing 2ndary Metabolite. 1991. | |
| Acacia melanoxylon | Wood | -- | -- | * | |
| Cucurbita pepo | Seed | -- | -- | * | |
| Spinacia oleracea | Leaf | -- | -- | * | |
| Bryonia alba | Root | -- | -- | * | |
| Chenopodium ambrosioides | Plant | -- | -- | * | |
| Kalmia latifolia | Plant | -- | -- | J.S. Glasby Dict.Pls Containing 2ndary Metabolite. 1991. | |
| Citrullus lanatus | Seed | -- | -- | * |