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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 |
|---|---|---|---|
| Pinus edulis | Pinyon Pine | 1 | 21 |
| Pinus sylvestris | Scotch Pine | 1 | 3, 000 |
| Piper auritum | Cordoncillo; Hierba Santa; Hoja Santa | 1 | 10, 110 |
| Piper betel | Betel Pepper | 1 | 2, 130 |
| Piper nigrum | Black Pepper; Pepper; White Pepper | 1 | 30 |
| Pisum sativum | Pea | 1 | 9, 477 |
| Plantago major | Common Plantain | 1 | 0 |
| Plantago psyllium | Psyllium | 1 | 0 |
| Platonia insignis | Bakuri; Pacouri | 1 | 2, 380 |
| 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 | 17, 160 |
| Polygonum multiflorum | Chinese Cornbind; Fleeceflower; Fo Ti; He Shou Wu; Chinese Knotweed | 1 | 0 |
| Polymnia edulis | Andean Jicama | 1 | 1, 400 |
| Portulaca oleracea | Purslane; Verdolaga | 1 | 14, 000 |
| Pothomorphe sp. | Santiago | 1 | 0 |
| Pourouma cecropiaefolia | Tree Grape; Uvilla | 1 | 110 |
| Pouteria caimito | Abiu; Caimito | 1 | 3, 780 |
| Pouteria campechiana | Canistel | 1 | 1, 475 |
| Pouteria viridis | Green Sapote; Sapote Verde | 1 | 2, 720 |
| Prunus armeniaca | Apricot | 1 | 745 |