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| Chemical Name | Dosage | Reference |
|---|---|---|
| SENNOSIDE-C | ED50=13.3 mg/kg orl mus | Duke, 1992 * |
| SENNOSIDE-D | ED50=15.8 mg/kg orl mus | Duke, 1992 * |
| SENNOSIDE-E | ED50=15.8 mg/kg orl mus | Duke, 1992 * |
| SENNOSIDE-F | ED50=16.1 mg/kg orl mus | Duke, 1992 * |
| SORBITOL | 30-50 g/man/day | Martindale's 28th |
| TURPETHIN | not available | Duke, 1992 * |
| VERBENALIN | not available | Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Rheum palmatum | Chinese Rhubarb | 11 | 155, 470 |
| Rheum rhabarbarum | Rhubarb | 6 | 0 |
| Robinia pseudoacacia | Black Locust | 1 | 16, 000 |
| Rosmarinus officinalis | Rosemary | 1 | 0 |
| Rubia cordifolia | Madder | 1 | 0 |
| Rubus idaeus | Red Raspberry; Raspberry | 1 | 0 |
| Rumex acetosa | Garden Sorrel | 3 | 0 |
| Rumex acetosella | Sheep Sorrel | 3 | 0 |
| Rumex crispus | Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock | 3 | 26, 604 |
| Salvia officinalis | Sage | 1 | 0 |
| Satureja montana | Winter Savory; Savory | 1 | 0 |
| Scutellaria lateriflora | Mad-Dog Skullcap; Scullcap | 1 | 0 |
| Senna alata | Ringworm Bush | 4 | 0 |
| Senna alexandrina | Alexandran senna; True Senna; Indian Senna | 3 | 0 |
| Senna obtusifolia | Sicklepod | 2 | 2, 800 |
| Senna occidentalis | Coffee Senna | 5 | 0 |
| Serenoa repens | Saw Palmetto; Scrub-Palmetto | 1 | 0 |
| Sorbus aucubaria | Rowan Berry | 1 | 0 |
| Terminalia chebula | Ink Nut; Myrobalan; Black Myrobalan; Chebulic Myrobalan | 2 | 0 |
| Thymus vulgaris | Common Thyme; Garden Thyme; Thyme | 1 | 129 |