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| Chemical Name | Dosage | Reference |
|---|---|---|
| ASCORBIC-ACID | 1-2 g/day | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Origanum vulgare | Common Turkish Oregano; Wild Oregano; Oregano; Pot Marjoram; Wild Marjoram; European Oregano | 1 | 0 |
| Oryza sativa | Rice | 1 | 0 |
| Oxalis tuberosa | Oca; Papa Roja; Quiba | 1 | 6, 852 |
| Pachira macrocarpa | Large-Fruited Provision Tree | 1 | 255 |
| Pachyrhizus erosus | Yambean | 1 | 1, 845 |
| Panax ginseng | Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng | 1 | 0 |
| Panax quinquefolius | American Ginseng; Ginseng | 1 | 78 |
| Papaver somniferum | Opium Poppy; Poppyseed Poppy | 1 | 2, 240 |
| Parthenium integrifolium | Feverfew; American Feverfew; Wild Quinine; Missouri Snakeroot; Prairie-Dock | 1 | 0 |
| Passiflora edulis | Maracuya; Passionfruit | 1 | 2, 410 |
| Passiflora foetida | Granadilla Cimarrona; Stinking Granadilla | 1 | 1, 670 |
| Passiflora incarnata | Manzana de Mayo; Mayapple; Passionflower | 1 | 300 |
| Passiflora ligularis | Granadilla; Sweet Granadilla | 1 | 1, 900 |
| Passiflora mollissima | Banana Passionfruit; Granadilla De Guineo | 1 | 17, 500 |
| Passiflora quadrangularis | Granadilla | 1 | 3, 375 |
| Pastinaca sativa | Parsnip | 1 | 830 |
| Peperomia pelucida | Pepper elder; Yerba de la plata | 1 | 2, 560 |
| Peperomia pereskiifolia | Perejil | 1 | 335 |
| Pereskia aculeata | Barbados Gooseberry; Grosela Americana | 1 | 2, 500 |
| Perideridia gairdneri | Squaw Root | 1 | 302 |