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

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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
HEXAHYDRO-2H-AZEPIN-2-ONE Rizk, A.F.M. and Al-Nowaihi, A.S., The Phytochemistry of the Horticultural Plants of Qatar, Scientific and Applied Research Centre, University of Qatar.
HYDROQUINONE IC100=2.7 mM 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.
INDOLE-3-ACETIC-ACID Korhammer, S.A. and Haslinger, E. 1994. Isolation of a Biologically Active Substance from Rhizomes of Quackgrass [Elymus repens (L.) Gould]. J. Agric. Food Chem. 42: 2048-2050.
IROLONE Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
JUGLONE IC99=1.1 mM 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.
L-CANALINE 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.
LAWSONE IC90=2.4 mM 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.
LIMONENE *
MENADIONE IC50=0.18 mM 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.
MYRICETIN IC82=1 mM 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.
NAGILACTONE-E Hanke, F. J., Natural Products as a Resource for Biologically Active Compounds, Thesis, U. Cal (Santa Cruz), 1986, 252 pp
NIVEUSIN Rizk, A.F.M. and Al-Nowaihi, A.S., The Phytochemistry of the Horticultural Plants of Qatar, Scientific and Applied Research Centre, University of Qatar.
O-COUMARATE IC95=0.20 mM 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.
O-CRESOL IC50=0.36 mM 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.
P-COUMARATE IC50=1.2 mM 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.
P-CRESOL IC50=1.13 mM 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.
P-HYDROXYBENZOATE IC50=1.34 mM 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.
PARASORBIC-ACID *
PARASORBIC-ACID-GLUCOSIDE *
PHITHOCOL IC100=6 mM 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.
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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
Ceiba pentandra Kapok; Silk-Cotton Tree 1 0
Centaurea calcitrapa Star-Thistle 2 0
Centaurea cyanus Cornflower; Bachelor's Button 4 0
Centella asiatica Gotu Kola; Pennywort 3 4, 000
Ceratonia siliqua Carob; St.John's-Bread; Locust Bean 4 0
Chamaemelum nobile Garden Camomile; Perennial Camomile; Roman Camomile 6 0
Chenopodium album Lambsquarter 1 0
Chenopodium ambrosioides Epazote; Wormseed 2 9, 600
Chimaphila umbellata King's Cure; Pipsissewa 2 306, 000
Chrysanthemum balsamita Balsamite; Costmary 3 0
Chrysanthemum parthenium Feverfew 4 24
Chrysanthemum x morifolium Chrysanthemum; Florist's Chrysanthemum; Mum; Ju Hua (Pinyin) 2 236
Cichorium endivia Endive; Escarole 1 0
Cichorium intybus Chicory; Witloof; Succory 7 61, 203
Cinchona pubescens Quinine; Red Cinchona; Red Peruvian-Bark; Redbark 2 0
Cinchona spp Quinine 2 0
Cinnamomum aromaticum Cassia; Cassia Bark; Cassia Lignea; Chinese Cassia; Chinese Cinnamon; China Junk Cassia; Saigon Cinnamon; Zimtcassie (Ger.); Canela de la China (Sp.); Canelero chino (Sp.); Chinazimt (Ger.); Chinesischer Zimtbaum (Ger.); Kashia-Keihi (Jap.); Canelle de Cochinchine (Fr.); Cannelier Casse (Fr.); Cannelier de Chine (Fr.) 9 795, 040
Cinnamomum camphora Camphor; Ho Leaf 7 1, 428
Cinnamomum sieboldii Japanese Cinnamon 2 0
Cinnamomum verum Cinnamon; Ceylon Cinnamon 10 4, 321, 910.799999237