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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Cancer-Preventive

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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
PYCNOGENOL *
QUERCETIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCETIN-3'-METHYLETHER Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCETIN-3-METHYL-ETHER Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCETIN-3-O-BETA-D-GLUCOSIDE Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCETIN-3-O-METHYL-ETHER Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCITRIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
QUERCITRIN-3-D-BETA-GLYCOSIDE Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
RHAMNETIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
RIBOFLAVIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
ROBINETIN Jim Duke's personal files.
ROBININ Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
ROSMANOL Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
ROSMARIDIPHENOL Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
ROSMARINIC-ACID Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
ROSMARIQUINONE Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
RUTIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
SAFROLE Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
SALICYLIC-ACID Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
SCOPOLETIN Stitt, P. A. Why George Should Eat Broccoli. Dougherty Co, Milwaukee, WI, 1990, 399 pp.
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List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 65 5, 241, 905.695998475
Warburgia ugandensis Warburghia 1 0
Wasabia japonica Japanese Horseradish; Wasabi 2 0
Withania somnifera Ashwagandha 8 600, 200
Xanthosoma sagittifolium Malanga; Tannia; Yautia 4 709, 045.5
Xylopia aethiopica Ethiopian Pepper; Guinea Pepper; Negro Pepper; Spice Tree; Mohrenpfeffer (Ger.); Maniguete (Sp.); Pimienta de Guinea (Sp.) 2 63, 700
Yucca baccata Spanish Bayonet; Yucca; Banana Yucca; Blue Yucca 7 448, 582.3999991417
Zanthoxylum alatum Indian Prickly Ash; Wartara Oil Tree 3 0
Zanthoxylum americanum Northern Prickly Ash 5 59
Zanthoxylum clava-herculis Pepperbark; Southern Prickly Ash; Hercules'-Club; West Indian Yellowwood 1 0
Zea mays Corn 57 322, 325.2999998033
Zingiber officinale Ginger 47 690, 539.0999999046
Zizyphus jujuba Da-Zao; Jujube; Ta-Tsao 13 2, 197, 912.200000286
Zizyphus spina-christi Syrian Christ-Thorn 5 372.39999997615814