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| Chemical Name | Dosage | Reference |
|---|---|---|
| PARTHENOLIDE | not available | Duke, 1992 * |
| RESVERATROL | IC50=3-9 uM | Duke, 1992 * |
| RUTIN | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Prunus armeniaca | Apricot | 1 | 17, 700 |
| Prunus cerasus | Sour Cherry | 1 | 0 |
| Prunus spinosa | Blackthorn; Sloe | 1 | 0 |
| Pteridium aquilinum | Bracken; Bracken Fern | 1 | 0 |
| Pueraria montana | Kudzu; Kudsu | 1 | 0 |
| Punica granatum | Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) | 1 | 0 |
| Rheum officinale | Chinese Rhubarb | 1 | 13, 000 |
| Rheum rhabarbarum | Rhubarb | 1 | 6, 000 |
| Ribes nigrum | Black Currant | 1 | 0 |
| Ricinus communis | Castorbean | 1 | 2, 000 |
| Rosa multiflora | Multiflora Rose | 1 | 0 |
| Rubus idaeus | Red Raspberry; Raspberry | 1 | 0 |
| Rumex acetosa | Garden Sorrel | 1 | 12, 800 |
| Rumex acetosella | Sheep Sorrel | 1 | 5, 300 |
| Rumex crispus | Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock | 1 | 0 |
| Ruscus aculeatus | Butcher's Broom; Box-Holly | 1 | 1, 600 |
| Ruta graveolens | Rue | 1 | 20, 000 |
| Salix alba | White Willow | 1 | 0 |
| Sambucus canadensis | American Elder; Elderberry; American Elderberry; Sweet Elder | 1 | 360, 000 |
| Sambucus nigra | European Alder; European Elder; European Elderberry; Elder; Black Elder | 1 | 171, 000 |