| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Nelumbo nucifera | Seed | 590.0 | 7130.0 | 0.5 | * |
| Humulus lupulus | Fruit | -- | 4760.0 | 0.5 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Lupinus mutabilis | Seed | 6350.0 | 7100.0 | 0.5 | * |
| Zingiber officinale | Rhizome | 320.0 | 5323.0 | 0.5 | * |
| Coriandrum sativum | Fruit | 3907.0 | 4687.0 | 0.4 | USDA's Ag Handbook 8 and sequelae) |
| Humulus lupulus | Flower | 885.0 | 4760.0 | 0.4 | * |
| Apium graveolens | Fruit | 979.0 | 4660.0 | 0.4 | * |
| Stellaria media | Plant | 372.0 | 4480.0 | 0.4 | * |
| Raphanus sativus | Root | 160.0 | 5850.0 | 0.4 | * |
| Lepidium sativum | Leaf | 760.0 | 7170.0 | 0.4 | * |
| Apium graveolens | Seed | 980.0 | 6843.0 | 0.4 | * |
| Silybum marianum | Leaf | 1553.0 | 7060.0 | 0.4 | * |
| Triticum aestivum | Seed | 800.0 | 6800.0 | 0.4 | * |
| Bertholletia excelsa | Seed | 6000.0 | 6750.0 | 0.4 | * |
| Coccinia grandis | Fruit | 300.0 | 4350.0 | 0.3 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Agathosma betulina | Leaf | -- | 6780.0 | 0.3 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Barosma betulina | Leaf | -- | 6780.0 | 0.3 | * |
| Corchorus olitorius | Leaf | 830.0 | 6755.0 | 0.3 | * |
| Cinnamomum burmannii | Bark | -- | 1600.0 | 0.3 | * |
| Carum carvi | Seed | 5650.0 | 6580.0 | 0.3 | * |