An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| GITHAGIN | not available | Duke, 1992 * |
| GREVILLOL | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| HAEMATOXYLIN | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HEDERAGENIN | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HELENALIN | not available | Tyler, V.E.. 1994. |
| HELENALIN-ACETATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HELENALIN-ISOVALERATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HELENALIN-METHACRYLATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HERNIARIN | not available | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. |
| HISTAMINE | not available | Duke, 1992 * |
| HUMULONE | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HYDROQUINONE | not available | Merck 11th Edition |
| HYDROTHYMOQUINONE | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HYDROXYCITRONELLAL | not available | Duke, 1992 * |
| ISOEUGENOL | not available | Duke, 1992 * |
| L-ASPARAGINASE | not available | Martindale's 29th |
| LACCOL | not available | Duke, 1992 * |
| LAPACHOL | not available | Duke, 1992 * |
| LAURENOBIOLIDE | not available | Duke, 1992 * |
| LIGNANS | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Theobroma speciosum | Macambo | 1 | 30 |
| Thespesia populnea | Indian tulip tree | 2 | 65, 000 |
| Thevetia neriifolia | Yellow oleander | 1 | 385, 800 |
| Thevetia peruviana | Peruvian Yellow Oleander; Luckynut; Yellow Oleander; Oleandre Jaune (Fr.); Thevetie (Ger.); Loandro-Amarelo (Port.); Adelfa Amarilla (Sp.); Cabalonga (Sp.); Chirca (Sp.) | 2 | 3, 877, 290 |
| Thuja occidentalis | Arbor-Vitae; Northern White-Cedar | 2 | 0 |
| Thymus broussonettii | Moroccan Thyme | 6 | 6, 390 |
| Thymus capitatus | 'Sicilian' Thyme; Spanish Origanum; Spanish Thyme | 14 | 48, 120 |
| Thymus cilicicus | 'Anatolian' Thyme | 5 | 2, 092.2000000029802 |
| Thymus funkii | Funk's Thyme | 13 | 6, 697 |
| Thymus longicaulis | Kekik; Tas Kekik | 9 | 30, 583.200000047684 |
| Thymus mastichina | Spanish Marjoram | 9 | 8, 750 |
| Thymus orospedanus | Orosped Thyme | 7 | 6, 390 |
| Thymus riatarum | 'Moroccan' Thyme | 7 | 3, 515.10000000149 |
| Thymus saturejoides | Moroccan Savory Thyme | 6 | 2, 140 |
| Thymus serpyllum | Creeping Thyme | 14 | 19, 759 |
| Thymus vulgaris | Common Thyme; Garden Thyme; Thyme | 22 | 2, 627, 064 |
| Thymus x citriodorus | Funk's thyme; Lemon Thyme | 9 | 12, 860 |
| Thymus zygis | 'Portuguese' Thyme | 9 | 25, 408.20000000298 |
| Tilia sp. | Basswood; Lime; Linden | 12 | 0 |
| Trachyspermum ammi | Ajwan | 7 | 26, 400 |