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| Chemical Name | Dosage | Reference |
|---|---|---|
| TINGENONE | not available | Duke, 1992 * |
| XANTHOMICROL | not available | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Portulaca oleracea | Purslane; Verdolaga | 1 | 0 |
| Prunus cerasus | Sour Cherry | 1 | 0 |
| Prunus domestica | Plum | 1 | 0 |
| Prunus dulcis | Almond | 1 | 0 |
| Prunus persica | Peach | 1 | 0 |
| Prunus spinosa | Blackthorn; Sloe | 1 | 0 |
| Pteridium aquilinum | Bracken; Bracken Fern | 1 | 0 |
| Punica granatum | Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) | 1 | 0 |
| Quercus alba | White Oak | 1 | 0 |
| Quercus robur | English Oak | 1 | 0 |
| Raphanus sativus | Radish | 1 | 16 |
| Rauvolfia tetraphylla | Four-Leaf Devilpepper; Pinque-Pinque | 1 | 0 |
| Rauvolfia vomitoria | African Snakeroot | 1 | 0 |
| Rheum officinale | Chinese Rhubarb | 3 | 9, 027 |
| Rheum palmatum | Chinese Rhubarb | 2 | 14, 990 |
| Rheum rhabarbarum | Rhubarb | 3 | 8 |
| Ribes nigrum | Black Currant | 1 | 0 |
| Ribes uva-crispa | Gooseberry | 1 | 0 |
| Ricinus communis | Castorbean | 1 | 0 |
| Rosa canina | Rose; Dogbrier; Dog Rose | 1 | 0 |