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| Chemical Name | Dosage | Reference |
|---|---|---|
| CHRYSIN | not available | Duke, 1992 * |
| FIBER | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Quararibea cordata | Chupa-Chupa; Sapote | 1 | 90, 000 |
| Quercus alba | White Oak | 1 | 92, 000 |
| Raphanus sativus | Radish | 1 | 419, 000 |
| Rauvolfia serpentina | Indian Snakeroot; Serpentine Wood | 1 | 1, 510, 000 |
| Rheum rhabarbarum | Rhubarb | 1 | 260, 000 |
| Rhizophora mangle | Red Mangrove | 1 | 145, 000 |
| Rhynchosia minima | Burn Mouth Vine | 1 | 236, 600 |
| Ribes nigrum | Black Currant | 1 | 133, 000 |
| Ribes rubrum | Red Currant; White Currant | 1 | 423, 640 |
| Ribes uva-crispa | Gooseberry | 1 | 156, 636 |
| Ricinus communis | Castorbean | 1 | 103, 000 |
| Robinia pseudoacacia | Black Locust | 1 | 526, 000 |
| Rollinia mucosa | Biriba; Lancewood | 1 | 114, 030 |
| Rosa canina | Rose; Dogbrier; Dog Rose | 1 | 900, 000 |
| Rosmarinus officinalis | Rosemary | 1 | 643, 818 |
| Rubus idaeus | Red Raspberry; Raspberry | 1 | 868, 560 |
| Rumex acetosa | Garden Sorrel | 1 | 80, 000 |
| Rumex crispus | Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock | 1 | 974, 448 |
| Ruscus aculeatus | Butcher's Broom; Box-Holly | 1 | 216, 000 |
| Salix alba | White Willow | 1 | 94, 000 |