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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
Citrullus lanatus Watermelon 4 1, 513, 380
Citrus aurantiifolia Lime 6 6, 460
Citrus aurantium Petitgrain; Bitter Orange 1 0
Citrus paradisi Grapefruit 6 5, 500
Citrus reticulata Mandarin; Tangerine 6 14, 824
Citrus sinensis Orange 5 4, 605
Cnicus benedictus Blessed Thistle 2 252, 000
Cocos nucifera Coconut; Coconut Palm; Copra; Nariyal; Kokospalme (Ger.); Cocotero (Sp.) 4 1, 115, 142
Coffea arabica Coffee 4 49, 280
Coix lacryma-jobi Adlay; Adlay Millet; Job'S-Tears; Yi-Yi-Ren 3 0
Colocasia esculenta Taro 4 32, 360
Commiphora myrrha Myrrh; African Myrrh; Herabol Myrrh; Somali Myrrh; Myrrhe (Fr., Ger.); Mirra (Sp. It.) 1 0
Corchorus olitorius Jew's Mallow; Mulukiya; Nalta Jute 5 450, 855
Coriandrum sativum Coriander; Chinese Parsley; Cilantro 5 1, 474, 149
Cornus mas Cornelian Cherry; Sorbet 3 1, 694, 000
Corylus avellana English Filbert; European Filbert; European Hazel; Hazel; Cobnut 4 3, 334, 500
Costus speciosus Crepe Ginger; Wild Ginger; Cane Reed 1 0
Crataegus laevigata Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn 3 0
Crataegus rhipidophylla Hawthorn 3 0
Crescentia alata Jicaro 1 0