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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 |
|---|---|---|---|
| Perilla frutescens | Perilla | 1 | 3, 486 |
| Persea americana | Avocado | 1 | 994 |
| Persea schiedeana | Palta De Monte; Wild Avocado; Wild Pear | 1 | 2, 094 |
| Petasites japonicus | Butterbur | 1 | 5, 725 |
| Petroselinum crispum | Parsley | 1 | 8, 915 |
| Phaseolus acutifolius | Tepary Bean | 1 | 0 |
| Phaseolus coccineus | Scarlet Runner Bean | 1 | 293 |
| Phaseolus lunatus | Butter Bean; Lima Bean | 1 | 2, 292 |
| Phaseolus vulgaris | Black Bean; Green Bean; Haricot Bean; Garden Bean; String Bean; Dwarf Bean; Field Bean; Flageolet Bean; French Bean; Kidney Bean; Navy Bean; Pop Bean; Popping Bean; Snap Bean; Wax Bean; Haricot Vert; Haricot | 1 | 256, 020 |
| Phoenix dactylifera | Date Palm | 1 | 750 |
| Phragmites australis | Common Reed; Ditch Reed; Giant Reed; Reed Grass | 1 | 36, 400 |
| Phyllanthus acidus | Indian Gooseberry; Otaheite Gooseberry | 1 | 2, 558 |
| Phyllanthus emblica | Emblic; Myrobalan | 1 | 85, 806 |
| Physalis alkekingi | Bladderherb; Lantern | 1 | 8, 000 |
| Physalis ixocarpa | Tomatillo | 1 | 460 |
| Physalis peruviana | Cape Gooseberry; Ground Cherry | 1 | 5, 730 |
| Phytolacca americana | Pokeweed | 1 | 16, 184 |
| Pimenta dioica | Allspice; Jamaica-Pepper; Pimenta; Clover-Pepper; Pimento | 1 | 12, 465 |
| Pimpinella anisum | Anise; Sweet Cumin | 1 | 36 |
| Pinus cembroides | Mexican Pinyon | 1 | 10 |