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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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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
Solanum melongena Aubergine; Eggplant 6 17, 348
Solanum nigrum Black Nightshade 4 215, 000
Solanum tuberosum Potato 5 2, 566
Sophora japonica Japanese Pagoda Tree 3 91, 110
Spartium junceum Genet; Spanish Broom; Weaver's Broom 4 255, 936
Spinacia oleracea Spinach 6 22, 445
Stellaria media Chickweed; Common Chickweed 4 0
Sterculia urens Karaya 4 230, 984
Strophanthus gratus Ouabain 2 180, 000
Strychnos nux-vomica Nux-Vomica; Stychnine 4 90, 400
Swertia chirata Chirata; Chiretta 3 0
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 3 1, 298, 496
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 4 183, 855
Taraxacum officinale Dandelion 4 0
Tecoma stans Yellow Elder 2 2, 070
Terminalia bellirica Beleric Myrobalan; Bahera; Myrobalan Belleric; Myrobalan; Belleric 4 3, 495, 000
Terminalia catappa Indian Almond; Tropical Almond; Malabar Almond 5 2, 149, 620
Terminalia chebula Ink Nut; Myrobalan; Black Myrobalan; Chebulic Myrobalan 4 1, 191, 200
Terminalia pallida 4 941, 000
Tetragonia tetragonioides New Zealand Spinach 5 7, 500