| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Brassica chinensis | Leaf | 450.0 | 9713.0 | 0.5 | * |
| Brassica rapa | Leaf | 450.0 | 9713.0 | 0.5 | USDA's Ag Handbook 8 and sequelae) |
| Luffa aegyptiaca | Leaf | 950.0 | 9596.0 | 0.4 | * |
| Cajanus cajan | Seed | -- | 1279.0 | 0.4 | * |
| Cichorium endivia | Leaf | 462.0 | 9302.0 | 0.4 | * |
| Phytolacca americana | Shoot | 1360.0 | 16184.0 | 0.4 | * |
| Mentha spicata | Leaf | 135.0 | 9200.0 | 0.4 | USDA's Ag Handbook 8 and sequelae) |
| Citrus mitis | Fruit | 884.0 | 11130.0 | 0.4 | * |
| Phragmites australis | Leaf | 2000.0 | 9100.0 | 0.4 | * |
| Moringa oleifera | Leaf | 2200.0 | 8800.0 | 0.4 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Ullucus tuberosus | Root | 230.0 | 1750.0 | 0.4 | * |
| Anethum graveolens | Seed | -- | 1150.0 | 0.4 | * |
| Ribes nigrum | Fruit | 150.0 | 10030.0 | 0.3 | * |
| Allium sativum var. sativum | Flower | 440.0 | 3793.0 | 0.3 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Phaseolus vulgaris | Leaf | 1100.0 | 8333.0 | 0.3 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Lablab purpureus | Seed | -- | 1063.0 | 0.3 | * |
| Diospyros digyna | Fruit | 1915.0 | 9330.0 | 0.3 | Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981. |
| Byrsonima crassifolia | Fruit | 840.0 | 9275.0 | 0.3 | * |
| Althaea officinalis | Root | 177.0 | 1640.0 | 0.3 | * |
| Brassica oleracea var. sabellica l. | Leaf | 1200.0 | 7720.0 | 0.3 | * |