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| Chemical Name | Dosage | Reference |
|---|---|---|
| TESTOSTERONE | not available | Duke, 1992 * |
| THIOURACIL | not available | Jim Duke's personal files. |
| THYMOQUINONE | not available | Jim Duke's personal files. |
| TRYPTOPHAN | not available | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| XANTHINE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Asclepias syriaca | Milkweed | 2 | 168, 540 |
| Asiasarum heterotropoides | Asian Wild Ginger | 2 | 0 |
| Asiasarum sieboldii | Siebold's Wild Ginger | 2 | 0 |
| Asimina triloba | Pawpaw | 4 | 6, 554 |
| Aspalathus linearis | Rooibos; Kaffree Tea; Red Bush Tea | 6 | 398, 136.1799996495 |
| Asparagus officinalis | Asparagus | 5 | 15, 613 |
| Aspidosperma quebracho-blanco | Quebracho | 1 | 40, 000 |
| Astragalus membranaceus | Huang-Chi; Huang Qi | 5 | 0 |
| Atropa bella-donna | Belladonna | 1 | 120, 000 |
| Avena sativa | Oats | 3 | 5, 310 |
| Averrhoa carambola | Carambola; Star Fruit | 1 | 880 |
| Azadirachta indica | Neem | 4 | 110, 250 |
| Bactris gasipaes | Peach palm; Pejibaye | 1 | 36, 900 |
| Balanites aegyptiacus | Desert Date; Soapberry Tree; dattier du desert (Fr.); dattier sauvage (Fr.); heglik (Fr.); Zachunbaum (Ger.); betu (India); hingotia (India); lalo (India); zachun (India); mirobalano de Egipto (Sp.) | 2 | 2, 420, 000 |
| Ballota nigra | Black Horehound | 3 | 2, 000 |
| Barosma betulina | Buchu | 1 | 0 |
| Basella alba | Vinespinach | 2 | 4, 060 |
| Benincasa hispida | Waxgourd | 2 | 22, 820 |
| Berberis vulgaris | Barberry | 4 | 55, 600 |
| Bertholletia excelsa | Brazilnut; Brazilnut-Tree; Creamnut; Paranut | 2 | 1, 267, 960 |