| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Camellia sinensis | Anther | -- | -- | * | |
| Taraxacum officinale | Bud | -- | -- | * | |
| Taraxacum officinale | Flower | -- | -- | * | |
| Foeniculum vulgare | Leaf | -- | -- | Jim Duke's personal files. | |
| Vitis vinifera | Bud | -- | -- | * | |
| Glycine max | Pericarp | -- | -- | * | |
| Camellia sinensis | Pollen Or Spore | -- | -- | * | |
| Allium sativum var. sativum | 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. | |
| Brassica oleracea var. capitata l. | Leaf | -- | -- | Jim Duke's personal files. | |
| Camellia sinensis | Flower | -- | -- | * | |
| Citrus sinensis | Fruit | -- | -- | Jim Duke's personal files. | |
| Glycine max | Petiole | -- | -- | * | |
| Helianthus annuus | Seed | -- | -- | * | |
| Hordeum vulgare | Fruit | -- | -- | * | |
| Malus domestica | Fruit | -- | -- | * | |
| Petroselinum crispum | Leaf | -- | -- | * | |
| Pisum sativum | Fruit | -- | -- | * | |
| Solanum tuberosum | Tuber | -- | -- | * | |
| Vicia faba | Plant | -- | -- | * |