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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
Tacca aspera 1 0
Tagetes erecta Marigold; Aztec Marigold 1 0
Tagetes filifolia Pampa Anise; Irish Lace 1 0
Tagetes lucida Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold 2 260
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 2 0
Tagetes patula French Marigold 5 0
Talguenea quinquenervis 1 0
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 3 3, 000
Tanacetum parthenium Feverfew 6 685, 324.8000000119
Tanacetum vulgare Tansy 4 0
Taraxacum officinale Dandelion 6 0
Taxus baccata Common Yew 5 969.9999998211861
Taxus sumatrana Sumatran Yew 1 0
Taxus yunnanensis Yunnan Yew 1 464
Tecoma stans Yellow Elder 2 0
Tectona grandis Teak 2 20, 580
Teline sp 1 0
Tephrosia candida White Tephrosia 1 0
Tephrosia purpurea Purple Tephrosia; Wild Indigo 3 120
Tephrosia virginiana Devil's Shoestring 2 0