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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Topoisomerase-I-Inhibitor

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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
XESTOQUINONE IC50=0.15 ug/ml Bae, M. A., Tsuji, T., Kondo, K., Hirase, T., Ishibashi, M., Shigemori, H., Kobayashi, J. I. 1993. Inhibition of Mammalian Topoisomerase I by Xestoquinone and Halenaquinone. Biosci. Biotech. Biochem., 57: 330-331.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Vaccinium macrocarpon Cranberry; Large Cranberry; American Cranberry 2 1, 500
Vaccinium myrtillus Bilberry; Whortleberry; Dwarf Bilberry 2 0
Vaccinium vitis-idaea Cowberry; Lingen; Lingonberry 3 0
Valeriana officinalis Valerian; Common Valerian; Garden-Heliotrope 3 0
Vandasina retusa 1 14
Viburnum opulus Crampbark; European Cranberry Bush; Guelder Rose; Snowballbush 2 0
Vicia faba Broadbean; Faba Bean; Habas 3 173.39999771118164
Vigna angularis Adzuki Bean 2 47.000001430511475
Vigna radiata Green Gram; Mungbean 7 117.19999694824219
Vigna subterranea Bambarra Groundnut; Groundbean 1 24
Vigna unguiculata Cowpea; Black-eyed Pea; Crowder Pea; Southern Pea 2 414.3999938964844
Viola odorata Common Violet; Sweet Violet 2 0
Viola tricolor Pansy; Wild Violet 2 0
Vitex agnus-castus Chaste-Tree 2 0
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 5 346.4000015258789
Withania somnifera Ashwagandha 1 0
Zanthoxylum americanum Northern Prickly Ash 2 0
Zanthoxylum clava-herculis Pepperbark; Southern Prickly Ash; Hercules'-Club; West Indian Yellowwood 2 0
Zea mays Corn 2 0
Zingiber officinale Ginger 4 0