| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Viscum album | Leaf | -- | 23000.0 | -0.7 | * |
| Vitellaria paradoxa | Seed | -- | 526000.0 | 1.4 | * |
| Vitex agnus-castus | Seed | 38000.0 | 100000.0 | -0.9 | * |
| Vitis vinifera | Seed | 60000.0 | 200000.0 | -0.3 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Vitis vinifera | Fruit | 5010.0 | 33898.0 | -0.4 | USDA's Ag Handbook 8 and sequelae) |
| Xanthosoma sagittifolium | Leaf | 16600.0 | 103100.0 | 0.9 | * |
| Xanthosoma sagittifolium | Root | 1000.0 | 9000.0 | -0.5 | * |
| Xylopia aethiopica | Fruit | 128800.0 | 345000.0 | 2.0 | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. |
| Yucca baccata | Seed | -- | 272000.0 | 0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Yucca baccata | Root | 4784.0 | 23000.0 | 0.0 | * |
| Zea mays | Silk Stigma Style | 25000.0 | 43000.0 | -1.0 | * |
| Zea mays | Seed | 10480.0 | 54579.0 | -1.1 | * |
| Zingiber officinale | Rhizome | 7000.0 | 77000.0 | 0.7 | * |
| Zingiber officinale | Root | 5040.0 | 72000.0 | 1.6 | * |
| Zizyphus jujuba | Seed | 4000.0 | 335000.0 | 0.4 | * |
| Zizyphus spina-christi | Fruit | 9000.0 | 10000.0 | -0.6 | * |
| Zizyphus jujuba | Leaf | -- | 43000.0 | -0.3 | * |
| Zizyphus jujuba | Shoot | -- | 17000.0 | -0.6 | * |
| Zizyphus jujuba | Fruit | 1000.0 | 17000.0 | -0.5 | * |