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| Chemical Name | Dosage | Reference |
|---|---|---|
| SOPHORANINE | not available | Duke, 1992 * |
| SPARTEINE | not available | Duke, 1992 * |
| SPARTEINE-SULFATE | not available | Martindale's 29th |
| STROPHANTHIN | not available | Duke, 1992 * |
| TETRAHYDROPALMATINE | not available | Duke, 1992 * |
| TETRANDRINE | 5 mg/kg ivn gpg | Duke, 1992 * |
| THALISOPINE | not available | Duke, 1992 * |
| TRILOBINE | 5-10 mg/kg ivn rat | Duke, 1992 * |
| URSOLIC-ACID | not available | Duke, 1992 * |
| VALEPOTRIATES | not available | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| VALPROIC-ACID | not available | Duke, 1992 * |
| VITEXIN | not available | Jim Duke's personal files. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Quercus stellata | Post Oak | 3 | 47, 040 |
| Quercus velutina | Black Oak | 4 | 37, 820 |
| Quisqualis indica | Rangoon Creeper | 4 | 22, 370 |
| Raphanus sativus | Radish | 4 | 210, 619 |
| Rauvolfia serpentina | Indian Snakeroot; Serpentine Wood | 3 | 13, 800 |
| Rauvolfia tetraphylla | Four-Leaf Devilpepper; Pinque-Pinque | 1 | 0 |
| Rauvolfia vomitoria | African Snakeroot | 1 | 0 |
| Rehmannia glutinosa | Chinese Foxglove | 3 | 12, 070 |
| Rheum officinale | Chinese Rhubarb | 1 | 0 |
| Rheum palmatum | Chinese Rhubarb | 4 | 36, 560 |
| Rheum rhabarbarum | Rhubarb | 5 | 101, 245 |
| Rhizophora mangle | Red Mangrove | 3 | 28, 800 |
| Rhododendron dauricum | Chinese Alpenrose | 2 | 0 |
| Rhododendron ferrugineum | Rusty-Leaved Alpenrose | 1 | 0 |
| Rhododendron ponticum | Pontic Alpenrose | 1 | 0 |
| Rhodymenia palmata | Dulse | 3 | 34, 950 |
| Rhus copallina | Dwarf Sumac; Winged Sumac | 3 | 221, 360 |
| Rhus coriaria | Sicilian Sumac; Sumac; Tanner's Sumac | 1 | 0 |
| Rhus glabra | Smooth Sumac | 3 | 44, 220 |
| Rhynchosia minima | Burn Mouth Vine | 2 | 19, 200 |