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| Chemical Name | Dosage | Reference |
|---|---|---|
| PSEUDOLARIC-ACID-A | IC50=0.16-1.19 ug/ml | Duke, 1992 * |
| PSEUDOLYCORINE | not available | Duke, 1992 * |
| PSOROSPERMIN | not available | Duke, 1992 * |
| PUNICIC-ACID | not available | Duke, 1992 * |
| QUASSIMARIN | not available | Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. |
| QUERCETIN | 5.5-60 uM | Duke, 1992 * |
| QUERCETIN | IC50=10 uM | Economic & Medicinal Plant Research, 5: 225. |
| QUERCETIN | IC50=>10 ug/ml | Life Sciences 55: 1061. |
| RESERPINE | not available | Duke, 1992 * |
| RESVERATROL | 15-30 uM | Duke, 1992 * |
| RICIN | not available | Merck 11th Edition |
| RUBROFUSARIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| RUDMOLLIN | not available | Duke, 1992 * |
| S-ALLYLMERCAPTOCYSTEINE | 46-93 uM | Duke, 1992 * |
| SAIKOSAPONIN | not available | Duke, 1992 * |
| SCUTELLAREIN | IC50=10 uM | Economic & Medicinal Plant Research, 5: 225. |
| SELENIUM | 1.6 mg/kg ipr mus | Duke, 1992 * |
| SERGEOLIDE | not available | Duke, 1992 * |
| SESAMIN | IC50=2.9 ug/ml | Life Sciences 55: 1061. |
| SESBANINE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Rheum rhabarbarum | Rhubarb | 9 | 64 |
| Rhododendron arboreum | not available | 1 | 0 |
| Rhododendron dauricum | Chinese Alpenrose | 4 | 0 |
| Rhododendron falconeri | not available | 1 | 0 |
| Rhododendron ferrugineum | Rusty-Leaved Alpenrose | 1 | 0 |
| Rhododendron grande | not available | 1 | 0 |
| Rhododendron ponticum | Pontic Alpenrose | 5 | 0 |
| Rhodomyrtus tomentosa | not available | 1 | 6 |
| Rhodymenia palmata | Dulse | 1 | 0 |
| Rhus coriaria | Sicilian Sumac; Sumac; Tanner's Sumac | 2 | 0 |
| Rhus glabra | Smooth Sumac | 1 | 0.25 |
| Rhus toxicodendron | Poison Ivy | 2 | 0 |
| Rhus typhina | not available | 1 | 0 |
| Rhynchosia acuminatifolia | not available | 1 | 12 |
| Rhynchosia cabibaea | not available | 1 | 10 |
| Rhynchosia densiflora | not available | 1 | 12 |
| Rhynchosia hirsuta | not available | 1 | 12 |
| Rhynchosia minima | Burn Mouth Vine | 2 | 12 |
| Rhynchosia phaseoloides | not available | 1 | 12 |
| Rhynchosia pyramidalis | not available | 1 | 20 |