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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
PLUMBAGIN IC50=0,05 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.
PORTULAL 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.
PROTOCATECHUATE IC50=4.4 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.
PYROGALLOL IC50=6.53 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.
QUERCETIN 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.
RESORCINOL IC50=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.
RUTIN *
SALICYLALDEHYDE IC50=0.51 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.
SALICYLATE IC50=0.31 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.
SCOPOLETIN IC89=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.
SYRINGATE IC50=3.93 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.
T-CINNAMATE IC50=0.63 uM 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.
TERPINOLENE *
TRANS-CINNAMALDEHYDE IC50=0.38 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.
TRIUMFEROL 400 *
UMBELLIFERONE IC94=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.
VANILLATE IC50=10 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.
VANILLIN IC50=4.26 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.
VERBENONE *
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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
Stachys officinalis Betony; Wood Betony; Bishop's-Wort; Purple Betony 1 0
Stachytarpheta jamaicensis Brazilian Tea 1 0
Stellaria media Chickweed; Common Chickweed 3 0
Sterculia urens Karaya 1 0
Stevia rebaudiana Ca-A-E; Sweet Leaf of Paraguay; Stevia 5 171
Strychnos nux-vomica Nux-Vomica; Stychnine 1 0
Styrax benzoin Benzoin; Onycha; Styrax 1 0
Styrax tonkinensis Siam Benzoin 1 3, 000
Symphytum officinale Comfrey 1 0
Syringa vulgaris Lilac 2 0
Syzygium aromaticum Clove; Clovetree 4 44
Tabebuia impetiginosa Pau d'arco; Taheebo 2 0
Tagetes filifolia Pampa Anise; Irish Lace 2 9.399999618530273
Tagetes lucida Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold 1 660
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 6 6, 047, 370
Tagetes patula French Marigold 1 0
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 5 0
Tanacetum parthenium Feverfew 4 28, 324
Tanacetum vulgare Tansy 4 0
Taraxacum officinale Dandelion 3 0