| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Citrus limon | Fruit | 5208.0 | 5566.0 | 0.1 | * |
| Bupleurum chinense | Root | 132.0 | 1200.0 | 0.0 | * |
| Ipomoea batatas | Root | 201.0 | 1186.0 | 0.0 | * |
| Amaranthus spinosus | Leaf | 98.0 | 5030.0 | 0.0 | * |
| Averrhoa carambola | Fruit | 200.0 | 4935.0 | 0.0 | * |
| Trigonella foenum-graecum | Seed | 78.0 | 600.0 | 0.0 | * |
| Borago officinalis | Leaf | 30.0 | 5005.0 | 0.0 | * |
| Allium cepa | Leaf | 390.0 | 5000.0 | 0.0 | * |
| Tetragonia tetragonioides | Leaf | 300.0 | 5000.0 | 0.0 | * |
| Agathosma betulina | Leaf | -- | 4900.0 | 0.0 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Barosma betulina | Leaf | -- | 4900.0 | 0.0 | * |
| Carica papaya | Fruit | 640.0 | 4741.0 | 0.0 | * |
| Iris x germanica | Leaf | -- | 4860.0 | 0.0 | * |
| Averrhoa bilimbi | Fruit | 160.0 | 4665.0 | 0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Syzygium malaccense | Fruit | 65.0 | 4615.0 | 0.0 | * |
| Ruta graveolens | Leaf | -- | 4790.0 | 0.0 | * |
| Citrus aurantiifolia | Fruit | 291.0 | 4444.0 | -0.0 | * |
| Ginkgo biloba | Seed | 150.0 | 545.0 | -0.0 | * |
| Tropaeolum majus | Leaf | 2000.0 | 4650.0 | -0.0 | * |
| Cucumis melo | Fruit | 397.0 | 4370.0 | -0.0 | USDA's Ag Handbook 8 and sequelae) |