An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| GITHAGIN | not available | Duke, 1992 * |
| GREVILLOL | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| HAEMATOXYLIN | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HEDERAGENIN | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HELENALIN | not available | Tyler, V.E.. 1994. |
| HELENALIN-ACETATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HELENALIN-ISOVALERATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HELENALIN-METHACRYLATE | not available | De Smet, P.A.G.M., Keller, K., Hansel, R. and Chandler, R.F., eds. 1993. Adverse Effects of Herbal Drugs 2. Springr-Verlag, Berlin. 348pp. |
| HERNIARIN | not available | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. |
| HISTAMINE | not available | Duke, 1992 * |
| HUMULONE | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HYDROQUINONE | not available | Merck 11th Edition |
| HYDROTHYMOQUINONE | not available | Mitchell, J. and Rook, A.J. 1923. Botanical Dermatology: plants and plant products injurious to the skin. Vancouver: Greengrass, 1979. xiii, 787 p.: ill. |
| HYDROXYCITRONELLAL | not available | Duke, 1992 * |
| ISOEUGENOL | not available | Duke, 1992 * |
| L-ASPARAGINASE | not available | Martindale's 29th |
| LACCOL | not available | Duke, 1992 * |
| LAPACHOL | not available | Duke, 1992 * |
| LAURENOBIOLIDE | not available | Duke, 1992 * |
| LIGNANS | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Rhus coriaria | Sicilian Sumac; Sumac; Tanner's Sumac | 2 | 0 |
| Rhus glabra | Smooth Sumac | 1 | 0 |
| Rhus toxicodendron | Poison Ivy | 4 | 0 |
| Rhynchosia minima | Burn Mouth Vine | 1 | 0 |
| Ribes nigrum | Black Currant | 24 | 407, 187 |
| Ribes rubrum | Red Currant; White Currant | 5 | 43, 908 |
| Ribes uva-crispa | Gooseberry | 6 | 13, 099 |
| Ricinus communis | Castorbean | 4 | 13 |
| Robinia pseudoacacia | Black Locust | 6 | 33, 250 |
| Rollinia mucosa | Biriba; Lancewood | 1 | 44 |
| Rosa canina | Rose; Dogbrier; Dog Rose | 7 | 45, 330 |
| Rosa centifolia | Cabbage Rose | 7 | 1, 200 |
| Rosa damascena | Damask Rose | 14 | 15, 000 |
| Rosa gallica | French Rose | 9 | 296 |
| Rosa laevigata | Cherokee Rose | 1 | 0 |
| Rosa rubiginosa | Rosa Mosqueta | 2 | 0 |
| Rosa spp | Rose Hips | 2 | 0 |
| Rosmarinus eriocalyx | Rosemary | 5 | 4, 870 |
| Rosmarinus officinalis | Rosemary | 23 | 1, 396, 193 |
| Rosmarinus tomentosus | Hairy Rosemary | 5 | 4, 965 |