| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rosa spp | Fruit | 1000.0 | 12500.0 | 0.5 | * |
| Momordica charantia | Leaf | 1700.0 | 12412.0 | 0.7 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Rumex acetosa | Leaf | 630.0 | 12400.0 | 0.7 | * |
| Cnidoscolus chayamansa | Leaf | 1960.0 | 12200.0 | 0.7 | * |
| Rumex acetosella | Leaf | 500.0 | 12000.0 | 0.7 | * |
| Citrus mitis | Fruit | 884.0 | 11130.0 | 0.4 | * |
| Sambucus nigra | Leaf | 739.0 | 11000.0 | 0.6 | * |
| Brassica oleracea var. botrytis l. | Leaf | 911.0 | 10360.0 | 0.5 | * |
| Brassica oleracea var. italica | Leaf | 911.0 | 10360.0 | 0.5 | * |
| Ribes nigrum | Fruit | 150.0 | 10030.0 | 0.3 | * |
| Manihot esculenta | Leaf | 800.0 | 10000.0 | 0.5 | * |
| Armoracia rusticana | Root | 1800.0 | 10000.0 | 5.1 | * |
| Allium schoenoprasum | Leaf | 57.0 | 9875.0 | 0.5 | * |
| 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 | * |
| 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. |
| Cichorium endivia | Leaf | 462.0 | 9302.0 | 0.4 | * |
| Brassica oleracea var. botrytis l. | Flower | 660.0 | 9300.0 | 2.0 | * |
| Byrsonima crassifolia | Fruit | 840.0 | 9275.0 | 0.3 | * |