| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Ferula assa-foetida | Resin, Exudate, Sap | -- | 13000.0 | * | |
| Salvia sp. | Seed | -- | 2136.0 | 2.4 | Phenolic Compounds in Food and Their Effects on Health, 67. |
| Solidago gigantea | Plant | -- | 1040.0 | 0.9 | * |
| Ajuga iva | Plant | -- | 1000.0 | 0.8 | Jim Duke's personal files. |
| Angelica sinensis | Plant | -- | 940.0 | 0.7 | Jim Duke's personal files. |
| Ananas comosus | Plant | 200.0 | 760.0 | 0.3 | * |
| Solanum tuberosum | Tuber | 13.0 | 225.0 | * | |
| Citrus sinensis | Pericarp | 20.0 | 180.0 | 1.0 | * |
| Citrus paradisi | Pericarp | 25.0 | 160.0 | -1.0 | * |
| Malus domestica | Fruit | 4.0 | 95.0 | 1.7 | * |
| Juglans regia | Testa | 10.0 | 65.0 | * | |
| Arachis hypogaea | Seed | -- | 45.0 | -0.4 | * |
| Citrus limon | Fruit | 14.0 | 40.0 | -0.4 | * |
| Artemisia dracunculus | Leaf | -- | 38.0 | 2.4 | * |
| Citrus paradisi | Fruit | 25.0 | 35.0 | -0.6 | * |
| Triticum aestivum | Seed | 15.0 | 32.0 | -0.4 | * |
| Citrus sinensis | Fruit | 10.0 | 30.0 | -0.8 | * |
| Zea mays | Seed | 6.0 | 27.0 | -0.4 | * |
| Allium sativum var. sativum | Bulb | 7.0 | 27.0 | 1.0 | * |
| Brassica oleracea var. capitata l. | Leaf | 4.0 | 20.0 | 0.7 | * |