An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| PROTOPINE | not available | Duke, 1992 * |
| PTAEROGLYCOL | not available | Duke, 1992 * |
| PTELEATINIUM | not available | Duke, 1992 * |
| PTEROSTILBENE | not available | Duke, 1992 * |
| PTERYGOSPERMIN | not available | Duke, 1992 * |
| PUCHIIN | not available | Oriental Materia Medica (three volumes by Dr. Hsu and collaborators) |
| PULEGONE | not available | Economou, D., and Nahrstedt, A. 1991. Chemical, Physiological, and Toxicological Aspects of the Essential Oil of Some Species of the Genus Bystropogon*. Planta Medica, 57: 347, 1991. |
| PULVEROCHROMENOL | not available | Duke, 1992 * |
| PURPURIN-1-METHYL-ETHER | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| PYROGALLOL | not available | Duke, 1992 * |
| QUERCETAGETIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| QUERCETIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| QUERCETIN-3'-GLUCOSIDE | not available | Duke, 1992 * |
| QUERCETIN-3-O-GALACTOSYL-1,6-GLUCOSIDE | not available | Duke, 1992 * |
| QUERCETIN-7-O-GLUCOSIDE | not available | Duke, 1992 * |
| QUERCITRIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| QUININE | not available | Duke, 1992 * |
| RAPHANIN | not available | Duke, 1992 * |
| RESORCINOL | not available | Duke, 1992 * |
| RESVERATROL | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Pinus kesiya | Khasi Pine | 2 | 1, 041, 000 |
| Pinus mugo | Dwarf Pine; Swiss Mountain Pine | 11 | 0 |
| Pinus palustris | Longleaf Pine | 3 | 160, 750 |
| Pinus roxburghii | Chir Pine; Himalayan Longleaf | 2 | 1, 950, 000 |
| Pinus strobus | Eastern White Pine; White Pine | 4 | 0 |
| Pinus sylvestris | Scotch Pine | 41 | 1, 846, 575 |
| Pinus walliciana | Bhutan Pine | 7 | 242, 000 |
| Piper angustifolium | Matico | 1 | 0 |
| Piper auritum | Cordoncillo; Hierba Santa; Hoja Santa | 15 | 24, 900 |
| Piper betel | Betel Pepper | 6 | 69, 080 |
| Piper cubeba | Cubeb; Cubeb Pepper | 17 | 1, 415, 600 |
| Piper methysticum | Kava-Kava | 5 | 219, 580 |
| Piper nigrum | Black Pepper; Pepper; White Pepper | 43 | 2, 422, 869.2700000107 |
| Piscidia piscipula | Jamaica Dogwood | 4 | 0 |
| Pistacia lentiscus | Mastic; Chios Mastictree; Mastictree; Mastixbaum (Ger.); Lentisco (Sp.) | 10 | 565, 000 |
| Pistacia major | not available | 1 | 12.5 |
| Pistacia vera | Pistachio | 7 | 35, 759.40000000596 |
| Pisum sativum | Pea | 20 | 35, 567.00899999961 |
| Plantago asiatica | Asian Plantain | 4 | 0 |
| Plantago major | Common Plantain | 19 | 70, 701 |