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

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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
COCLAURINE *
L-DOPA Martindale's 29th
MELATONIN Medline (post 1990 searches filed in my computer)
NICOTINAMIDE Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
NIMBIDIN *
SELENIUM Cooper-Driver, G. A., Chemical substances in plants toxic to animals, pp. 213-47 in Rechcigl, M., Jr., ed. CRC Handbook of Naturally Occurring Food Toxicants, CRC Press, Boca Raton, 1983, 339 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
Carthamus tinctorius Safflower 1 2
Carya illinoensis Pecan 1 0.019999999552965164
Carya ovata Shagbark Hickory 1 0.019999999552965164
Caulophyllum thalictroides Blue Cohosh 1 3.5
Centella asiatica Gotu Kola; Pennywort 1 2.4000000953674316
Chamaemelum nobile Garden Camomile; Perennial Camomile; Roman Camomile 1 0
Chondrus crispus Irish Moss 1 18
Chrysanthemum parthenium Feverfew 1 1.7000000476837158
Cichorium endivia Endive; Escarole 1 0.04800000041723251
Cimicifuga racemosa Black Cohosh; Black Snakeroot 1 6.400000095367432
Citrus paradisi Grapefruit 1 0.027000000700354576
Citrus reticulata Mandarin; Tangerine 1 0
Citrus sinensis Orange 1 0.0020000000949949026
Cnicus benedictus Blessed Thistle 1 3.4000000953674316
Cocos nucifera Coconut; Coconut Palm; Copra; Nariyal; Kokospalme (Ger.); Cocotero (Sp.) 1 0.11999999731779099
Corylus avellana English Filbert; European Filbert; European Hazel; Hazel; Cobnut 1 0.3999999910593033
Crataegus laevigata Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn 1 8
Crataegus rhipidophylla Hawthorn 1 20
Cucumis melo Cantaloupe; Melon; Muskmelon; Netted Melon; Persian Melon; Nutmeg Melon 1 0.02400000113993883
Cucumis sativus Cucumber 1 2.799999952316284