| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Maclura pomifera | Fruit | 117.0 | 175.0 | * | |
| Panax quinquefolius | Seed Oil | -- | -- | * | |
| Hura crepitans | Latex Exudate | -- | -- | * | |
| Maclura pomifera | Tissue Culture | -- | -- | * | |
| Maclura pomifera | Root Bark | -- | -- | * | |
| Nigella sativa | Seed Oil | -- | -- | * | |
| Camellia sinensis | Seed Oil | -- | -- | * | |
| Aesculus hippocastanum | Seed Oil | -- | -- | Jim Duke's personal files. | |
| Glycine max | Seed | -- | -- | * | |
| Panax ginseng | Seed Oil | -- | -- | * | |
| Vitellaria paradoxa | Seed Oil | -- | -- | Itoh, O., Uetsuki, T., Tamura, T., Matsumoto, A. 1980. Characterization of Triterpene Alcohols of Seed Oils From Some Species of Theaceae, Phytolaccaceae and Sapotaceae. Lipids 15 6: 407-411. | |
| Camellia sinensis | Seed | -- | -- | * | |
| Aesculus hippocastanum | Seed | -- | -- | * | |
| Camellia japonica | Seed | -- | -- | Wealth of India. |