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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 |
|---|---|---|---|
| Plantago asiatica | Asian Plantain | 1 | 0 |
| Plantago major | Common Plantain | 5 | 0 |
| Plantago ovata | Blond Psyllium; Ispaghula; Spogel Seeds; Psyllium; Indian Plantago | 2 | 0 |
| Platanus accrifolia | not available | 1 | 36, 000 |
| Platanus acerifolia | not available | 1 | 36, 000 |
| Platanus occidentalis | not available | 1 | 35, 000 |
| Platanus orientalis | not available | 1 | 35, 000 |
| Platanus vulgaris | not available | 1 | 0 |
| Platycodon grandiflorum | Balloon Flower; Chieh-Keng; Jie-Geng | 1 | 0 |
| Plectranthus amboinicus | Amboini Coleus; Country Borage; Cuban Oregano; French Thyme; Indian Borage; Soup Mint; Spanish Thyme; Mexican Mint | 1 | 0 |
| Plectranthus rugosus | not available | 1 | 90 |
| Plectranthus urticifolius | not available | 1 | 0 |
| Pluchea carolinensis | Pito sico; Santa maria | 1 | 0 |
| Plumeria acutifolia | Frangipani | 6 | 2, 500 |
| Plumeria obtusa | not available | 1 | 6.800000190734863 |
| Podocarpus spicatus | not available | 1 | 0 |
| Podophyllum hexandrum | Himalayan Mayapple | 3 | 24, 000 |
| Podophyllum peltatum | Mayapple | 4 | 100, 000 |
| Podophyllum pleianthum | Chinese Mayapple | 2 | 0 |
| Pogostemon cablin | Patchouli | 3 | 0 |