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| Chemical Name | Dosage | Reference |
|---|---|---|
| DIHYDROCORYNANTHEOL | not available | Duke, 1992 * |
| DIHYDROCUBEBIN | not available | Duke, 1992 * |
| DIHYDROGUARIARETIC-ACID | not available | Duke, 1992 * |
| DIHYDROHELENALIN | not available | Duke, 1992 * |
| DIHYDROPINOSYLVIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| DIHYDRORESVERATROL | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| DILLAPIOL | MIC=45.9->50 nM | Orjala, J., et al. 1993. Five New Prenylated p-Hydroxybenzoic Acid Derivatives with Antimicrobial and Molluscicidal Activity from Piper aduncum Leaves. Planta Medica, 59: 546. |
| DIMETHYLALLYLINDONE | not available | Duke, 1992 * |
| DIOSPHENOL | not available | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. |
| DIPENTENE | not available | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| DRACORHODIN | not available | Duke, 1992 * |
| DRACORUBIN | not available | Duke, 1992 * |
| ECHINACOSIDE | not available | Wichtl, M. 1984. Teedrogen. Ein Handbuch fur Apotheker und Arzte. Wissenschaftliche Verlagsgesellscharft. mbH Stuttgart. 393 pp. |
| ECHINOFURAN | 0.6-5 ug/ml | Recio, M. C., Rios, J. L., and Villar, A., A review of some antimicrobial compounds isolated from medicinal plants reported in the literature 1978-1988, Phytotherapy Research, 3(4), 1989, 117-125. |
| ECHINONE | 0.6-5 ug/ml | Recio, M. C., Rios, J. L., and Villar, A., A review of some antimicrobial compounds isolated from medicinal plants reported in the literature 1978-1988, Phytotherapy Research, 3(4), 1989, 117-125. |
| ELAEOCARPIDINE | not available | Duke, 1992 * |
| ELEUTHERIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| ELLAGIC-ACID | ID50=20 ug/ml | Duke, 1992 * |
| ELLAGIC-ACID | 1,250 ug/ml | Duke, 1992 * |
| ELLIPTICINE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Rhododendron falconeri | not available | 1 | 0 |
| Rhododendron ferrugineum | Rusty-Leaved Alpenrose | 4 | 0 |
| Rhododendron grande | not available | 1 | 0 |
| Rhododendron ponticum | Pontic Alpenrose | 10 | 120, 000 |
| Rhodomyrtus tomentosa | not available | 1 | 6 |
| Rhodymenia palmata | Dulse | 2 | 153 |
| Rhus coriaria | Sicilian Sumac; Sumac; Tanner's Sumac | 9 | 840, 000 |
| Rhus glabra | Smooth Sumac | 2 | 270, 006 |
| Rhus toxicodendron | Poison Ivy | 3 | 0 |
| Rhynchosia minima | Burn Mouth Vine | 2 | 0 |
| Ribes nigrum | Black Currant | 37 | 164, 114 |
| Ribes rubrum | Red Currant; White Currant | 8 | 68, 528 |
| Ribes uva-crispa | Gooseberry | 10 | 19, 379 |
| Ricinus communis | Castorbean | 13 | 2, 380 |
| Robinia pseudoacacia | Black Locust | 12 | 326, 000 |
| Rollinia mucosa | Biriba; Lancewood | 1 | 2, 900 |
| Rosa canina | Rose; Dogbrier; Dog Rose | 21 | 774, 105 |
| Rosa centifolia | Cabbage Rose | 11 | 1, 200 |
| Rosa damascena | Damask Rose | 20 | 15, 000 |
| Rosa davurica | not available | 1 | 70 |