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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Cytotoxic

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List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
VERNOMENIN ED50=5-20 ppm Biosyn. Prod. Cancer Chemotherapy (Petit et al)
VERNOMYGDIN ED50=1.5 Biosyn. Prod. Cancer Chemotherapy (Petit et al)
VULGARIN Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
WARBURGANAL 10 ppb Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
WITHAFERIN-A ED50=0.28-40 *
XANTHOMICROL Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
XANTHOTOXIN ED50=7-29 ug/ml Saqib, Q. N., Hui, Y. H., Anderson, J. E. and McLaughlin, J. L. 1990. Bioactive Furanocoumarins from the Berries of Zanthoxylum americanum. Phytotherapy Research 4(6): 216-219.
XANTHOTOXOL Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
XEROPHILUSIN-A IC50=0.12-2.22 ug/ml Hou, A., Li, M, Jiang, B., Lin, Z., Ji, S., Zhou, Y., Sun, H. 2000. New 7,20:14,20-Diepoxy ent-Kauranoids from Isodon xerophilus. J. Natural Products, 63(5): 599-601.
XEROPHILUSIN-B IC50=0.17-0.73 ug/ml Hou, A., Li, M, Jiang, B., Lin, Z., Ji, S., Zhou, Y., Sun, H. 2000. New 7,20:14,20-Diepoxy ent-Kauranoids from Isodon xerophilus. J. Natural Products, 63(5): 599-601.
ZINIOLIDE *
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Rheum officinale Chinese Rhubarb 7 16, 118.80009841919
Rheum palmatum Chinese Rhubarb 5 31, 295
Rheum rhabarbarum Rhubarb 8 105
Rhizophora mangle Red Mangrove 1 116, 800
Rhizophora mucronata 1 0
Rhododendron anthopogon 1 0
Rhododendron arboreum 1 0
Rhododendron dauricum Chinese Alpenrose 6 0
Rhododendron falconeri 1 0
Rhododendron ferrugineum Rusty-Leaved Alpenrose 2 0
Rhododendron grande 1 0
Rhododendron ledebourii 1 0
Rhododendron ponticum Pontic Alpenrose 6 0
Rhododendron schotense 1 0
Rhodomyrtus tomentosa 2 76
Rhus alata 1 100
Rhus coriaria Sicilian Sumac; Sumac; Tanner's Sumac 4 0
Rhus toxicodendron Poison Ivy 2 0
Rhus typhina 1 0
Rhynchosia acuminatifolia 1 12