| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Silybum marianum | Leaf | -- | 800.0 | * | |
| Glycine max | Tissue Culture | -- | -- | * | |
| Panax ginseng | Plant | -- | -- | * | |
| Momordica charantia | Fruit | -- | -- | Jim Duke's personal files. | |
| Lycopersicon esculentum | Fruit | -- | -- | * | |
| Allium cepa | Bulb | -- | -- | LAWSON in Koch, H. P. and Lawson, L. D., eds. 1996. Garlic- The Science and therapeutic application of Allium sativum L. and related species. Williams & Wilkins, Baltimore. 329 pp. | |
| Daucus carota | Tissue Culture | -- | -- | * |