| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Asparagus officinalis | Root | 398.0 | 3976.0 | 1.6 | * |
| Citrus aurantium | Fruit | 420.0 | 3947.0 | -0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Zizyphus jujuba | Fruit | 460.0 | 3882.0 | -0.0 | * |
| Vitis vinifera | Leaf | 3490.0 | 3870.0 | -0.1 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Citrus paradisi | Fruit | 337.0 | 3862.0 | -0.0 | * |
| Brassica oleracea var. viridis l. | Leaf | 233.0 | 3819.0 | -0.1 | * |
| Berberis vulgaris | Fruit | 1560.0 | 3800.0 | -0.0 | * |
| Muntingia calabura | Fruit | 805.0 | 3795.0 | -0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Allium sativum var. sativum | Flower | 440.0 | 3793.0 | 0.3 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Hibiscus sabdariffa | Fruit | 540.0 | 3750.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Beta vulgaris | Leaf | 120.0 | 3696.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Citrus reticulata | Fruit | 280.0 | 3684.0 | -0.1 | * |
| Rubus idaeus | Leaf | 620.0 | 3670.0 | -0.1 | * |
| Colocasia esculenta | Leaf | 69.0 | 3625.0 | -0.1 | * |
| Vigna unguiculata | Shoot | 360.0 | 3523.0 | -0.2 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Shoot | 360.0 | 3523.0 | -0.2 | * |
| Bromelia pinguin | Shoot | 192.0 | 3430.0 | -0.2 | * |
| Hippophae rhamnoides | Leaf | 1500.0 | 3400.0 | -0.1 | * |
| Piper auritum | Leaf | 490.0 | 3370.0 | -0.1 | * |
| Ficus carica | Leaf | 1050.0 | 3300.0 | -0.1 | * |