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| Chemical Name | Dosage | Reference |
|---|---|---|
| THUJONE | not available | J. Ess. Oil Res. 7: 271. |
| THYMOHYDROQUINONE | MIC=6.25-100 ug/ml | Duke, 1992 * |
| THYMOL | MIC=50-400 ug/ml | Duke, 1992 * |
| THYMOQUINONE | not available | Farnsworth, N.R. and Cordell, G.A. A Review of Some Biologically Active Compounds Isolated From Plants as Reported in the 1974-1975 Literature. J. Nat. Prod. 39: 420, 1976. |
| TIN | not available | Duke, 1992 * |
| TOMATINE | not available | Duke, 1992 * |
| TRACHINODIOL-7-BETA-ACETATE | not available | Duke, 1992 * |
| TRACHINODIOL-DIACETATE | not available | Duke, 1992 * |
| TRACHINOL | not available | Duke, 1992 * |
| TRANS-ASARONE | not available | Duke, 1992 * |
| TRANS-ISOASARONE | not available | Duke, 1992 * |
| TRICROZARIN | not available | Duke, 1992 * |
| TROPOLONE | not available | Duke, 1992 * |
| TUBEROSIN | 250 u/ml | Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176) |
| ULIGINOSIN | not available | Duke, 1992 * |
| UMBELLIFERONE | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| URESIN | not available | Duke, 1992 * |
| URSOLIC-ACID | not available | Duke, 1992 * |
| VANILLIC-ACID | 1.5-15 mg/ml | Recio, M. C., Rios, J. L., and Villar, A., A review of some antimicrobial compounds isolated from medicinal plants reported in the literature 1978-1988, Phytotherapy Research, 3(4), 1989, 117-125. |
| VERBASCOSIDE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Hydnocarpus wightiana | Hindi Chaulmoogra | 5 | 478, 890.3999977112 |
| Hydrangea arborescens | Smooth Hydrangea; Hydrangea | 6 | 22 |
| Hydrangea paniculata | Peegee | 2 | 41, 000 |
| Hydrastis canadensis | Goldenseal | 7 | 500, 690.30000019073 |
| Hylocereus guatemalensis | Guatemala Cereus; Nopalito De Guatemala | 1 | 1, 030 |
| 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 | 0 |
| Hypericum androsaemum | not available | 1 | 0 |
| Hypericum elatum | not available | 1 | 0 |
| Hypericum patulum | not available | 1 | 0 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 51 | 1, 832, 072.7500021458 |
| Hyptis albida | not available | 1 | 6 |
| Hyptis capitata | Knobweed | 1 | 0 |
| Hyptis emoryi | Desert Lavender | 1 | 0 |
| Hyptis spicata | Spicate Hyptis | 2 | 0 |
| Hyptis suaveolens | Wild Hops | 14 | 8, 318 |
| Hyssopus officinalis | Hyssop | 35 | 234, 207.3140000049 |
| Ilex paraguariensis | Mate; Paraguay Tea; South American Holly | 5 | 537, 000 |
| Illicium verum | Star Anise; Chinese Star Anise; Chinesischer Sternanis (Ger.); Sternanis (Ger.); anis de China (Sp.); anis estrellado (Sp.) | 21 | 105, 186 |
| Inga edulis | Guaba; Icecream Bean | 1 | 710 |