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

Biological Activity 5-Alpha-Reductase-Inhibitor

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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
ALIZARIN *
ALPHA-LINOLENIC-ACID *
ARACHIDONIC-ACID *
ARTOCARPIN IC50=85 uM *
BIOCHANIN-A IC50=35 uM *
BIOCHANIN-A IC>80=100 uM *
CURCUMIN *
LINOLEIC-ACID *
OLEIC-ACID *
PALMITIC-ACID *
PALMITOLEIC-ACID *
STEARIC-ACID *
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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
Carum carvi Caraway; Carum; Kummel (Ger.); Comino (Sp.); Comino de prado (Sp.) 6 2, 270, 405
Carya illinoensis Pecan 4 0
Cassia tora Sickle Senna 3 39, 886
Catalpa bignonioides Indian bean 2 162, 530
Caulophyllum thalictroides Blue Cohosh 4 0
Cedrus deodora Deodar Cedar 3 261, 495
Ceiba pentandra Kapok; Silk-Cotton Tree 4 906, 400
Centaurea calcitrapa Star-Thistle 4 0
Centaurium erythraea Centaury 4 0
Centella asiatica Gotu Kola; Pennywort 4 0
Ceratonia siliqua Carob; St.John's-Bread; Locust Bean 4 52, 650
Chamaelirium luteum False Unicorn; Devil's Bit; Starwort 3 0
Chrysanthemum x morifolium Chrysanthemum; Florist's Chrysanthemum; Mum; Ju Hua (Pinyin) 2 0
Cicer arietinum Chickpea; Garbanzo 6 102, 570
Cichorium endivia Endive; Escarole 5 43, 476
Cichorium intybus Chicory; Witloof; Succory 6 72, 504
Cimicifuga racemosa Black Cohosh; Black Snakeroot 2 0
Cinchona pubescens Quinine; Red Cinchona; Red Peruvian-Bark; Redbark 1 0
Cinnamomum verum Cinnamon; Ceylon Cinnamon 2 39, 200
Citrullus colocynthis Colocynth 5 0