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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 |
|---|---|---|---|
| Hydrangea arborescens | Smooth Hydrangea; Hydrangea | 5 | 3, 243.2000000476837 |
| Hydrastis canadensis | Goldenseal | 4 | 3, 625 |
| Hylocereus guatemalensis | Guatemala Cereus; Nopalito De Guatemala | 2 | 1, 031.3999999761581 |
| Hylocereus undatus | Night-Blooming Cereus; Nopalito De Noche; Strawberry Pear; Belle-of-the-Night; Queen-of-the-Night | 2 | 2, 575 |
| Hyoscyamus niger | Henbane | 3 | 5, 250 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 9 | 116, 453.00000190735 |
| Hyptis spicata | Spicate Hyptis | 1 | 0 |
| Hyptis suaveolens | Wild Hops | 3 | 590 |
| Hyssopus officinalis | Hyssop | 3 | 1, 522.1000000014901 |
| Ilex paraguariensis | Mate; Paraguay Tea; South American Holly | 4 | 76, 500 |
| Illicium verum | Star Anise; Chinese Star Anise; Chinesischer Sternanis (Ger.); Sternanis (Ger.); anis de China (Sp.); anis estrellado (Sp.) | 3 | 53, 520 |
| Inga edulis | Guaba; Icecream Bean | 2 | 710 |
| Inga feuillei | Ice Cream Bean; Pacay | 1 | 0 |
| Inula helenium | Elecampane | 6 | 7, 520 |
| Ipomoea aquatica | Swamp Cabbage; Water Spinach | 3 | 23, 220 |
| Ipomoea batatas | Sweet Potato | 4 | 7, 571 |
| Ipomoea purga | Jalap | 1 | 0 |
| Iris x germanica | Orris | 2 | 9, 930 |
| Isanthus brachiatus | False Pennyroyal | 3 | 52 |
| Isatis tinctoria | Dyer's Woad | 2 | 4, 410 |