| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Phoenix dactylifera | Fruit | 2660.0 | 3370.0 | 1.7 | Abstract (See species file) |
| Citrus sinensis | Fruit | 40.0 | 730.0 | -0.3 | * |
| Citrus reticulata | Fruit | -- | 180.0 | -0.7 | * |
| Ananas comosus | Fruit | -- | 124.0 | -0.7 | * |
| Lentinus edodes | Fruit | -- | -- | * | |
| Silybum marianum | Seed | -- | -- | * | |
| Solanum tuberosum | Plant | -- | -- | * | |
| Angelica sinensis | Root | -- | -- | Jim Duke's personal files. | |
| Humulus lupulus | Fruit | -- | -- | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses | |
| Prunus cerasus | Fruit | -- | -- | * | |
| Phaseolus vulgaris | Seed | -- | -- | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. | |
| Fragaria spp | Plant | -- | -- | * | |
| Arachis hypogaea | Plant | -- | -- | * | |
| Zingiber officinale | Root | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| Trigonella foenum-graecum | Plant | -- | -- | * | |
| Cucurbita pepo | Seed | -- | -- | * | |
| Momordica charantia | Seed | -- | -- | Jim Duke's personal files. | |
| Momordica charantia | Fruit | -- | -- | Jim Duke's personal files. | |
| Artemisia dracunculus | Root | -- | -- | * | |
| Artemisia dracunculus | Leaf | -- | -- | * |