An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| METHYL-GALLATE | MIC=12.5-50 ug/ml | Duke, 1992 * |
| PROANTHOCYANIDINS | not available | Duke, 1992 * |
| SANGUINARINE | LD50=292 (ivn rat) | Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp. |
| THYMOHYDROQUINONE | MIC=50-200 ug/ml | Duke, 1992 * |
| THYMOL | MIC=50-200 ug/ml | Duke, 1992 * |
| WITHAFERIN | not available | Hutchings, A, Scott, AH, Lewis, G, and Cunningham, A. 1996. Zulu Medicinal Plants. An inventory. University of Natal Press, Pietermaritzburg. 450 pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Juglans regia | English Walnut | 1 | 0 |
| Juniperus communis | Common Juniper; Juniper | 1 | 0 |
| Juniperus sabina | Sabine | 2 | 0 |
| Krameria triandra | Rhatany | 1 | 0 |
| Lagerstroemia indica | Crape Myrtle | 2 | 0 |
| Lantana camara | Lantana; Wild Sage | 1 | 54 |
| Laurus nobilis | Bayleaf; Sweet Bay; Grecian Laurel; Bay Laurel; Laurel; Bay | 3 | 5, 571, 000 |
| Lavandula angustifolia | English Lavender | 1 | 0 |
| Lavandula latifolia | Aspic; Broad-Leaved Lavender; Spike Lavender | 1 | 10, 302 |
| Lavandula x hybrida | Hybrid Lavender | 1 | 2, 465 |
| Lavandula x intermedia | Dutch Lavender; Lavandin | 1 | 2, 220 |
| Lawsonia inermis | Henna; Mignonette; Jamaica-Mignonette; Mignonette Tree | 1 | 276, 000 |
| Lepechinia calycina | Epling's Lepechinia | 1 | 985 |
| Levisticum officinale | Lovage | 1 | 0 |
| Lindera benzoin | Benjamin Bush; Spicebush; Wild Allspice; Fieberstrauch (Ger.) | 1 | 641, 280 |
| Lippia alba | White Lippia | 1 | 0 |
| Lippia graveolens | Oregano | 1 | 0 |
| Litsea glaucescens | Mexican bay | 1 | 565 |
| Lycopus virginicus | Bugle | 2 | 18 |
| Macleaya cordata | Plume Poppy | 1 | 0 |