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| Chemical Name | Dosage | Reference |
|---|---|---|
| TETRAHYDROCANNABINOL | not available | Duke, 1992 * |
| TETRAMETHYL-PYRAZINE | not available | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| THEOBROMINE | 10 mg/kg/orl/man | Martindale's 29th |
| THEOPHYLLINE | 5 mg/kg/orl/man | Martindale's 29th |
| THIOSULFINATE | not available | Dorsch, W., Wagner, H. New Antiasthmatic Drugs from Traditional Medicine? Int Arch Allergy Appl Immunol 94: 262-265, 1991. |
| THYMOQUINONE | not available | Duke, 1992 * |
| TRANS-5-ETHYL-4,6,7-TRITHIA-2-DECENE-4-S-OXIDE | 10-100 mg/kg | Duke, 1992 * |
| TRANS-CARVEOL | not available | Duke, 1992 * |
| TRANS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 10-100 mg/kg | Duke, 1992 * |
| TRANS-N-PROPYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 10-100 mg/kg | Duke, 1992 * |
| TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE | 10-100 mg/kg | Duke, 1992 * |
| TYLOPHORINE | not available | Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176) |
| VASICINONE | not available | Sabinsa: A series of well documented proprietary PR booklets, e.g.Sabinsa Corps. 1998. Bronchial Asthma - Its etiology and control with traditional herbal extracts. Sabinsa Corporation. Piscataway, NJ. 49 pp. |
| VISNADIN | not available | Duke, 1992 * |
| Z-LIGUSTILIDE | not available | Duke, 1992 * |
| Z-N-BUTYLIDENE-PHTHALIDE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Ulmus rubra | Slippery Elm; Red Elm | 4 | 1, 213 |
| Umbellularia californica | California Bay | 2 | 1, 280 |
| Uncaria catechu | Gambir; Pale Catechu | 2 | 0 |
| Urginea maritima | European Squill | 2 | 0 |
| Urtica dioica | European Nettle; Stinging Nettle | 8 | 24, 542.400000095367 |
| Vaccinium corymbosum | Blueberry | 9 | 1, 329.9000000953674 |
| Vaccinium macrocarpon | Cranberry; Large Cranberry; American Cranberry | 7 | 10, 600.805999714183 |
| Vaccinium myrtillus | Bilberry; Whortleberry; Dwarf Bilberry | 10 | 16, 799.39999985695 |
| Vaccinium vitis-idaea | Cowberry; Lingen; Lingonberry | 6 | 7, 395.039000000805 |
| Valeriana officinalis | Valerian; Common Valerian; Garden-Heliotrope | 8 | 476, 176.2000002861 |
| Valerianella locusta | Corn Salad; Lamb's Lettuce | 1 | 7, 596 |
| Valerianella radicata | not available | 1 | 3, 226 |
| Vanilla planifolia | Vanilla; Bourbon Vanilla | 2 | 0 |
| Verbascum thapsus | Mullein; Velvetplant; Flannelleaf; Flannelplant; Great Mullein | 4 | 20, 247.5 |
| Verbena officinalis | Vervain | 1 | 0 |
| Vernonia cinerea | Purple fleabane | 1 | 0 |
| Vetiveria zizanioides | Cus-Cus; Vetiver; Cuscus Grass | 2 | 90 |
| Viburnum opulus | Crampbark; European Cranberry Bush; Guelder Rose; Snowballbush | 6 | 542, 562 |
| Viburnum prunifolium | Black Haw | 1 | 90 |
| Vicia faba | Broadbean; Faba Bean; Habas | 4 | 20, 479.800000071526 |