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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Insect-Repellent

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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
(+)-CAMPHOR *
(-)-BORNEOL *
(-)-CAMPHOR *
BORNEOL *
CAMPHOR *
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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
Origanum majorana Marjoram; Sweet Marjoram 1 0
Origanum onites Oregano; Pot Marjoram 2 4, 430
Origanum sipyleum Bayircayi; Guveyoto 2 3, 686
Origanum syriacum Za'Atar 2 60.100000001490116
Origanum vulgare Greek Oregano; Wild Oregano; Common Turkish Oregano 2 86, 487
Pelargonium graveolens Rose Geranium; Scented Geranium 1 0
Peumus boldus Boldo 1 150
Pimenta racemosa Bayrum Tree; West Indian Bay 1 480
Pimpinella anisum Anise; Sweet Cumin 1 0
Pinus elliottii Slash Pine 1 0
Pinus sylvestris Scotch Pine 2 62, 000
Pinus walliciana Bhutan Pine 1 0
Piper auritum Cordoncillo; Hierba Santa; Hoja Santa 2 0
Piper nigrum Black Pepper; Pepper; White Pepper 2 0
Plectranthus barbatus Forskohl's Coleus; Indian Coleus; False Boldo 1 717, 000
Plectranthus coleoides 1 120
Polygonum hydropiper Common Smartweed 2 0
Ptychopetalum olacoides Muira Puama 2 67, 000
Pycnanthemum beadlei Beadle's Mountain Mint 1 42
Pycnanthemum clinopodioides Clinopod Mountain Mint 1 44