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| Chemical Name Sort descending | Dosage | Reference |
|---|---|---|
| FERULIC-ACID | not available | Chemical Marketing Reporter; a weekly tabloid, 9/10/92. |
| FRAXETIN | IC95=20 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| FRAXETIN | IC98=50 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| FRAXIN | IC23=20 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| FRAXIN | IC73=50 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| GLABRIDIN | not available | Duke, 1992 * |
| LAWSONE | 0.25% | Duke, 1992 * |
| OPC | not available | Duke, 1992 * |
| OPCS | not available | Duke, 1992 * |
| P-AMINOBENZOIC-ACID | IC47=2.5 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| P-AMINOBENZOIC-ACID | IC93=25 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| P-AMINOBENZOIC-ACID | IC95=5 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| P-AMINOBENZOIC-ACID | 5-15% | Martindale's 28th |
| PABA | IC47=2.5 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| PABA | IC93=25 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| PABA | IC95=5 mg/l | Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993. |
| PARA-AMINOBENZOIC-ACID (PABA) | not available | Duke, 1992 * |
| PROCYANIDIN-A-2 | not available | Duke, 1992 * |
| PROCYANIDINS | not available | Duke, 1992 * |
| PROPYL-GALLATE | not available | Martindale's 28th |
Download these results as:
| Plant Name Sort descending | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Hordeum vulgare | Barley; Barleygrass | 8 | 0 |
| Houttuynia cordata | Fishwort; Dokudami; Yu Xing Cao | 2 | 3, 600 |
| Humulus lupulus | Hops | 6 | 2, 000 |
| Huperzia spp | Cutleaf Clubmoss | 1 | 0 |
| Hura crepitans | Sandbox Tree | 1 | 0 |
| Hydnocarpus wightiana | Hindi Chaulmoogra | 1 | 0 |
| Hydrangea arborescens | Smooth Hydrangea; Hydrangea | 2 | 0 |
| Hydrangea paniculata | Peegee | 2 | 41, 000 |
| Hydrastis canadensis | Goldenseal | 1 | 0 |
| Hyoscyamus niger | Henbane | 3 | 0 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 7 | 189, 000 |
| Hyssopus officinalis | Hyssop | 2 | 0 |
| Ilex paraguariensis | Mate; Paraguay Tea; South American Holly | 2 | 0 |
| Illicium verum | Star Anise; Chinese Star Anise; Chinesischer Sternanis (Ger.); Sternanis (Ger.); anis de China (Sp.); anis estrellado (Sp.) | 1 | 0 |
| Inonotus obliquus | not available | 1 | 0 |
| Inula helenium | Elecampane | 1 | 0 |
| Ipomoea batatas | Sweet Potato | 3 | 0 |
| Ipomoea purga | Jalap | 1 | 120, 000 |
| Jatropha gossypifolia | Spanish Physic Nut | 1 | 0 |
| Juglans nigra | Black Walnut | 3 | 35 |