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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 |
|---|---|---|---|
| Podophyllum pleianthum | Chinese Mayapple | 4 | 0 |
| Pogostemon cablin | Patchouli | 14 | 40, 200 |
| Polianthes tuberosa | Tuberose | 4 | 0 |
| Polygala senega | Seneca Snakeroot; Senega | 4 | 0 |
| Polygonatum multiflorum | Solomon's Seal | 1 | 0 |
| Polygonum aviculare | Prostrate Knotweed | 8 | 0 |
| Polygonum hydropiper | Common Smartweed | 15 | 65, 000 |
| Polygonum hydropiperoides | Mild Water Pepper | 8 | 0 |
| Polygonum multiflorum | Chinese Cornbind; Fleeceflower; Fo Ti; He Shou Wu; Chinese Knotweed | 11 | 60, 465 |
| Polygonum plebeium | not available | 1 | 75 |
| Polymnia edulis | Andean Jicama | 1 | 1, 400 |
| Polypodium vulgare | Common Polypody; Sweet Fern | 8 | 12, 000 |
| Polystichum polyblepharum | Chinese Polystichum | 2 | 4, 700 |
| Pongamia pinnata | not available | 1 | 45 |
| Populus balsamifera | Balsam Poplar | 6 | 0 |
| Populus nigra | Black Poplar | 4 | 0 |
| Populus tacamahacca | Balm Of Gilead | 9 | 0 |
| Porophyllum ruderale | Quilquinya | 6 | 3, 062 |
| Portulaca oleracea | Purslane; Verdolaga | 10 | 49, 000 |
| Pothomorphe sp. | Santiago | 1 | 0 |