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| Chemical Name | Dosage | Reference |
|---|---|---|
| TRANS-4-HYDROXY-L-PROLINE | not available | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| VISCIDULIN-C | IC30=100 uM | Keeler, R.F. and Tu, A.T. eds. 1991. Toxicology of Plant and Fungal Compounds. (Handbook of Natural Toxins Vol. 6) Marcel Dekker, Inc. NY. 665 pp. |
| XANTHOTOXIN | not available | Lydon, J. & Duke, S., The potential of pesticides from plants, pp. 1-41 in Craker, L. & Simon, J., eds, Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture, & Pharmacology, v. 4, Oryx Press, Phoenix, 1989, 267pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Pycnanthemum setosum | Setose Mountain Mint | 8 | 30, 938 |
| Pycnanthemum tenuifolium | Slenderleaf Mountain Mint | 10 | 25, 070 |
| Pycnanthemum torreyi | Torrey's Mountain Mint | 7 | 1, 020 |
| Pycnanthemum verticillatum | Whorled Mountain Mint | 6 | 15, 141 |
| Pycnanthemum virginianum | Virginia Mountain Mint | 8 | 34, 742 |
| Pyrus communis | Pear | 1 | 0 |
| Quercus rubra | Northern Red Oak | 1 | 0 |
| Ranunculus bulbosus | Bulbous Buttercup | 1 | 0 |
| Raphanus sativus | Radish | 1 | 16 |
| Ravensara aromatica | Ravensara | 9 | 1, 200 |
| Rheum officinale | Chinese Rhubarb | 2 | 0 |
| Rheum palmatum | Chinese Rhubarb | 2 | 0.5 |
| Rheum rhabarbarum | Rhubarb | 1 | 8 |
| Rhododendron dauricum | Chinese Alpenrose | 3 | 0 |
| Ribes nigrum | Black Currant | 10 | 130, 019 |
| Ribes uva-crispa | Gooseberry | 1 | 0 |
| Ricinus communis | Castorbean | 1 | 0 |
| Robinia pseudoacacia | Black Locust | 1 | 0 |
| Rosa canina | Rose; Dogbrier; Dog Rose | 1 | 0 |
| Rosa centifolia | Cabbage Rose | 6 | 1, 200 |