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| Chemical Name | Dosage | Reference |
|---|---|---|
| VITAMIN-B3 | 100 mg 2x/day | Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| VITAMIN-E | 300 mg/man/day | Martindale's 28th |
| XANTHOGALIN | not available | Duke, 1992 * |
| XANTHOTOXIN | not available | Duke, 1992 * |
| XANTHOXIN | not available | Oriental Materia Medica (three volumes by Dr. Hsu and collaborators) |
| XANTHOXYLINE | IC50=54 uM | Duke, 1992 * |
| YANGONIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| Z-LIGUSTILIDE | not available | Duke, 1992 * |
| Z-N-BUTYLIDENE-PHTHALIDE | not available | Duke, 1992 * |
| ZERUMBONE | not available | Grenand, P., Moretti, C., and Jacquemin, H. 1987. Pharmacopees Traditionnelles en Guyane. l'ORSTROM, Paris. 569 pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Dictamnus hispanicus | not available | 1 | 0 |
| Digitalis lanata | Grecian Foxglove | 1 | 0 |
| Digitalis purpurea | Purple Foxglove | 5 | 0 |
| Dioclea glycinoides | not available | 1 | 15 |
| Dioscorea alata | Greater Yam; Winged Yam | 5 | 31, 968 |
| Dioscorea bulbifera | Air Potato; Potato Yam | 2 | 7, 880 |
| Dioscorea pentaphylla | Mountain Yam | 4 | 26, 311 |
| Dioscorea sp. | Wild Yam | 4 | 7, 244 |
| Dioscorea villosa | Wild Yam | 4 | 7, 669 |
| Diospyros digyna | Black Sapote; Sapote Negro | 2 | 18, 680 |
| Diospyros virginiana | American Persimmon | 7 | 53, 165 |
| Dipogon lignosus | not available | 1 | 0 |
| Dipsacus fullonum | not available | 2 | 27, 400 |
| Dipteryx odorata | Tonka Bean; Dutch Tonka Bean | 2 | 200 |
| Dodonaea viscosa | Hopwood | 5 | 0 |
| Dolichos biflorus | not available | 1 | 0 |
| Dracocephalum parviflora | Small-Flowered Moldavica | 2 | 210 |
| Dracocephalum thymiflora | Thyme-Flowered Moldavica | 7 | 446 |
| Drimys winteri | Winter's Bark | 6 | 0 |
| Drynaria fortunei | Fortune's Fern | 2 | 21, 040 |