An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| QUERCITRIN | not available | Duke, 1992 * |
| RUTIN | EC50=500 nM | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Rumex crispus | Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock | 2 | 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 |
| Scopolia carniolica | Scopolia | 1 | 0 |
| Selenicereus grandiflorus | Night-Blooming Cereus; Queen-of-the-Night | 1 | 0 |
| Serenoa repens | Saw Palmetto; Scrub-Palmetto | 1 | 0 |
| Smilax china | China Root | 1 | 0 |
| Solanum tuberosum | Potato | 1 | 0 |
| Solidago gigantea | Early Goldenrod | 2 | 0 |
| Solidago virgaurea | European Goldenrod; Woundwort | 2 | 0 |
| Sophora japonica | Japanese Pagoda Tree | 1 | 434, 000 |
| Sorbus aucubaria | Rowan Berry | 1 | 0 |
| Spinacia oleracea | Spinach | 2 | 670 |
| Stellaria media | Chickweed; Common Chickweed | 1 | 0 |
| Stevia rebaudiana | Ca-A-E; Sweet Leaf of Paraguay; Stevia | 2 | 21 |
| Syringa vulgaris | Lilac | 1 | 0 |
| Tephrosia purpurea | Purple Tephrosia; Wild Indigo | 1 | 0 |