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| Chemical Name | Dosage | Reference |
|---|---|---|
| PINNATIFIDIN | 1.7 ppm | Duke, 1992 * |
| PINOCEMBRIN | ED50=21 | Duke, 1992 * |
| PIPERADUNCIN-A | ED50=<4 ug/ml | Duke, 1992 * |
| PIPLARTINE | ED50=0.45-1.8ug/ml | Duke, 1992 * |
| PIPLARTINE-DIMER-A | ED50=2.2-3.9ug/ml | Duke, 1992 * |
| PISIFERIC-ACID | not available | Duke, 1992 * |
| PLENOLIN | ED50=0.8 | Duke, 1992 * |
| PLUMBAGIN | 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. |
| PLUMERICINE | ED50=0.1-2.8ug/ml | Duke, 1992 * |
| PODOLIDE | not available | Duke, 1992 * |
| PROVINCIALIN | ED50=3-4 | Duke, 1992 * |
| PSDEUDOLARIC-ACID-B | ED50=0.2-0.66 ug/ml | Duke, 1992 * |
| PSEUDOIVALIN | ED50=1.8 ppm | Duke, 1992 * |
| PSEUDOLARIC-ACID-A | ED50=0.3-0.6 ug/ml | Duke, 1992 * |
| PSILOSTACHYIN-A | 5-6 ppm | Biosyn. Prod. Cancer Chemotherapy (Petit et al) |
| PSORALEN | ED50=2-30 ug/ml | Duke, 1992 * |
| PSYCHOTRIDINE | EC100=>1.5uM | Duke, 1992 * |
| PTAEROGLYCOL | not available | Duke, 1992 * |
| PTEROPODINE | not available | Duke, 1992 * |
| PTEROSTILBENE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Spondianthus preussii | not available | 1 | 24, 000 |
| Stachys officinalis | Betony; Wood Betony; Bishop's-Wort; Purple Betony | 4 | 20, 000 |
| Stachys sieboldii | not available | 1 | 0 |
| Stachytarpheta cayennensis | Verbena | 1 | 0 |
| Stauracanthus boivinii | not available | 1 | 0 |
| Stauracanthus genistoides | not available | 1 | 0 |
| Stellaria media | Chickweed; Common Chickweed | 4 | 0 |
| Stemodia maritima | not available | 1 | 0 |
| Stemonoporus affinis | not available | 2 | 0 |
| Stemonoporus canaliculatus | not available | 2 | 0 |
| Stemonoporus cordifolius | not available | 2 | 0 |
| Stemonoporus oblongifolius | not available | 2 | 0 |
| Stemonoporus petiolaris | not available | 2 | 0 |
| Stemonoporus reticulatus | not available | 2 | 0 |
| Stephania glabra | Indian Tape-Vine | 1 | 0 |
| Stephania japonica | Japanese Tape-Vine | 2 | 0 |
| Stephania tetrandra | Stephania | 1 | 0 |
| Sterculia urens | Karaya | 2 | 100 |
| Stevia rebaudiana | Ca-A-E; Sweet Leaf of Paraguay; Stevia | 3 | 585 |
| Stillingia sylvatica | Queen's-Delight; Stillingia; Queen's-Root; Yawroot | 1 | 0 |