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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
Astrocaryum vulgare Awarra Palm; Tucum Palm; Tucuma Palm; Tucuma 1 2, 384, 000
Azadirachta indica Neem 4 437, 850
Bactris gasipaes Peach palm; Pejibaye 5 588, 980
Balanites aegyptiacus Desert Date; Soapberry Tree; dattier du desert (Fr.); dattier sauvage (Fr.); heglik (Fr.); Zachunbaum (Ger.); betu (India); hingotia (India); lalo (India); zachun (India); mirobalano de Egipto (Sp.) 5 5, 901, 500
Baptisia tinctoria Wild Indigo 1 0
Benincasa hispida Waxgourd 4 35, 890
Bertholletia excelsa Brazilnut; Brazilnut-Tree; Creamnut; Paranut 6 3, 650, 372
Beta vulgaris Beet; Beetroot; Sugar Beet; Garden Beet 5 43, 868
Bidens pilosa 3 0
Bixa orellana Achiote; Annatto; Annato; Lipsticktree; Lipstick Pod; Bija; Annoto; Arnato 3 91, 680
Borago officinalis Borage; Beebread; Beeplant; Talewort 5 3, 495, 880
Boronia megastigma Scented Boronia 1 0
Boswellia serrata Salaki; Salai Guggal; Kundur Luban; Salai; Indian Olibanum-Tree; Indian Frankincense 1 0
Brassica chinensis Chinese Cabbage; Pak-Choi; Chinese Mustard; Bok-Choy; Celery Mustard; Chinese White Cabbage; Celery Cabbage 5 189, 980
Brassica napus var. napobrassica Rutabaga; Swede; Swedish Turnip 4 25, 230
Brassica nigra Black Mustard 6 11, 781
Brassica oleracea Kohlrabi 6 7, 221
Brassica oleracea var. botrytis l. Cauliflower 5 33, 809
Brassica oleracea var. capitata l. Cabbage; Red Cabbage; White Cabbage 5 45, 726
Brassica oleracea var. gemmifera Brussels-Sprouts; Brussel-Sprout 7 31, 700