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| Chemical Name | Dosage | Reference |
|---|---|---|
| TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE | not available | Duke, 1992 * |
| TROLOX | IC50 (uM) =1000 | Duke, 1992 * |
| URSOLIC-ACID | not available | Ringbom, T., Seguar, L., Noreen, Y., Perera, P., Bohlin, L. 1998. Ursolic Acid from Plantago major, a Selective Inhibitor of Cyclooxygenase-2 Catalyzed Prostaglandin Biosynthesis. J. Nat. Prod., 61(10): 1212-1215. |
| URUSHIOL | not available | Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. |
| ZINGERONE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Smilax china | China Root | 1 | 0 |
| Solanum melongena | Aubergine; Eggplant | 1 | 4, 000 |
| Solanum nigrum | Black Nightshade | 1 | 100, 000 |
| Solanum sessiliflorum | Cocona | 1 | 1, 420 |
| Solanum tuberosum | Potato | 4 | 32, 000 |
| Solidago gigantea | Early Goldenrod | 3 | 35 |
| Solidago virgaurea | European Goldenrod; Woundwort | 1 | 0 |
| Sophora japonica | Japanese Pagoda Tree | 2 | 0 |
| Sorbus aucubaria | Rowan Berry | 3 | 0 |
| Spartium junceum | Genet; Spanish Broom; Weaver's Broom | 1 | 0 |
| Spigelia marilandica | Indian Pink; Pinkroot | 1 | 0 |
| Spinacia oleracea | Spinach | 2 | 21 |
| Stachys officinalis | Betony; Wood Betony; Bishop's-Wort; Purple Betony | 2 | 600, 000 |
| Stachytarpheta cayennensis | Verbena | 1 | 0 |
| Stellaria media | Chickweed; Common Chickweed | 1 | 0 |
| Sterculia urens | Karaya | 1 | 20, 000 |
| Stevia rebaudiana | Ca-A-E; Sweet Leaf of Paraguay; Stevia | 1 | 0 |
| Stillingia sylvatica | Queen's-Delight; Stillingia; Queen's-Root; Yawroot | 1 | 0 |
| Swertia chirata | Chirata; Chiretta | 1 | 0 |
| Symphytum officinale | Comfrey | 1 | 90, 000 |