| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Aloe vera | Leaf | -- | 896000.0 | 2.3 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Aloe spp. | Leaf | 4480.0 | 896000.0 | 2.3 | * |
| Amorphophallus konjac | Leaf | 23000.0 | 885000.0 | 2.2 | * |
| Secale cereale | Leaf | -- | 848850.0 | 1.9 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Xanthosoma sagittifolium | Root | 17000.0 | 976000.0 | 1.9 | * |
| Allium sativum var. sativum | Shoot | 201000.0 | 901000.0 | 1.8 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Lobelia inflata | Leaf | 94016.0 | 832000.0 | 1.8 | * |
| Panicum maximum | Leaf | 672000.0 | 827000.0 | 1.7 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Zizyphus jujuba | Seed | 748000.0 | 950000.0 | 1.7 | * |
| Arctostaphylos uva-ursi | Leaf | 94424.0 | 814000.0 | 1.6 | * |
| Plantago psyllium | Seed | 201868.0 | 926000.0 | 1.6 | * |
| Phytelephas macrocarpa | Seed | -- | 916000.0 | 1.6 | * |
| Cola acuminata | Seed | 337000.0 | 908000.0 | 1.5 | * |
| Luffa aegyptiaca | Leaf | 27000.0 | 804000.0 | 1.5 | * |
| Verbascum thapsus | Leaf | 353320.0 | 803000.0 | 1.5 | * |
| Oryza sativa | Seed | 734000.0 | 892000.0 | 1.5 | * |
| Canna indica | Root | 313000.0 | 942770.0 | 1.4 | * |
| Castanea sativa | Seed | 402800.0 | 886160.0 | 1.4 | * |
| Rubus idaeus | Leaf | 133510.0 | 790000.0 | 1.4 | * |
| Carthamus tinctorius | Plant | 692000.0 | 892000.0 | 1.4 | * |