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| Chemical Name | Dosage | Reference |
|---|---|---|
| GUAIJAVERIN | not available | Duke, 1992 * |
| HARDWICKIC-ACID | not available | Duke, 1992 * |
| HARMINE | not available | Duke, 1992 * |
| HARRISONIN | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| HELENALIN | not available | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| HELENALIN-ESTERS | not available | Wichtl, M. 1984. Teedrogen. Ein Handbuch fur Apotheker und Arzte. Wissenschaftliche Verlagsgesellscharft. mbH Stuttgart. 393 pp. |
| HERNANDEZINE | not available | Duke, 1992 * |
| HEXANAL | 400-800 ug/ml | Duke, 1992 * |
| HEXANOL | not available | Duke, 1992 * |
| HEXENAL | not available | Duke, 1992 * |
| HIBISCIN-CHLORIDE | not available | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| HISPAGLABRIDIN-A | not available | Duke, 1992 * |
| HISPAGLABRIDIN-B | not available | Duke, 1992 * |
| HOMOPHLEINE | not available | Duke, 1992 * |
| HONOKIOL | not available | Duke, 1992 * |
| HOUTTUYNIN | not available | Duke, 1992 * |
| HUMULONE | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| HYDROQUINONE | not available | Duke, 1992 * |
| HYDROXYVERNOLIDE | 5 ug/disk | Duke, 1992 * |
| IMANINE | not available | Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Oenothera biennis | Evening-Primrose | 8 | 90 |
| Olea europaea | Olive | 12 | 0 |
| Ononis spinosa | Spiny Restharrow; Restharrow; Hauhechel (Ger.) | 9 | 0 |
| Ophiopogon japonicus | Mai-Men-Dong; Mai-Men-Tung | 2 | 32 |
| Opopanax chironium | Hercules All Heal; Opopanax | 1 | 0 |
| Opuntia ficus-indica | Indian Fig; Prickly Pear; Nopal; Nopalito | 6 | 51, 180 |
| Origanum creticum | Dittany Of Crete | 3 | 0 |
| Origanum majorana | Marjoram; Sweet Marjoram | 24 | 5, 156, 042 |
| Origanum minutiflorum | Small-Flowered Oregano | 13 | 21, 120 |
| Origanum onites | Oregano; Pot Marjoram | 17 | 81, 054.60000000894 |
| Origanum sipyleum | Bayircayi; Guveyoto | 11 | 23, 184 |
| Origanum syriacum | Za'Atar | 11 | 78, 285.30000000447 |
| Origanum vulgare | Greek Oregano; Wild Oregano; Common Turkish Oregano | 30 | 13, 725, 711.50000012 |
| Oryza sativa | Rice | 9 | 101, 046.89999997616 |
| Oxalis tuberosa | Oca; Papa Roja; Quiba | 1 | 13, 704 |
| Pachira macrocarpa | Large-Fruited Provision Tree | 1 | 510 |
| Pachyrhizus erosus | Yambean | 1 | 3, 690 |
| Paeonia lactiflora | Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) | 5 | 55, 120 |
| Paeonia moutan | Moutan; Tree Peony | 3 | 30 |
| Paeonia officinalis | Double Peony | 2 | 0 |