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

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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
REPANDULINE IC50=2.3 uM pig *
RESERPINE 1 uM rbt, rat, gpg *
RHEIN 9/10 aloeemodin *
RHYNCHOPHYLLINE 10.1 uM rat *
ROSMARINIC-ACID IC50=1.2 uM rbt *
ROSMARINIC-ACID-MONOMETHYL-ESTER IC50=1.2 uM rbt *
RYANODINE 10 uM rbt *
RYANODINE IC50=45 uM *
S-(-)-N-(14-METHYL-3-(13-METHYL-TETRADEC-CIS-4-ENOYL-OXY)-PENTADECANOYL)-GLYCINE IC50=10.9 uM *
SAFROLE IC50=57 uM gpg *
SAFROLE IC50=58 uM *
SANGUINARINE IC50=15 uM gpg *
SANTONIN IC50=876 uM gpg (weak activity) *
SCHIZOTENUIN-A IC50=1.2 uM rbt *
SCYTONEMIN-A 5 ug/ml *
SOLANINE mus *
SOYASAPONIN-A-1 2 ug/ml rat *
SOYASAPONIN-A-2 2 ug/ml rat *
STREPTOTHRICIN-B IC50=0.071 uM *
STREPTOTHRICIN-F IC50=50 uM (weak activity) *
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Atractylodes ovata Bai-Zhu; Pai-Chu 1 1, 920
Avena sativa Oats 3 15, 020
Averrhoa bilimbi Bilimbi; Limon chino 1 9, 330
Averrhoa carambola Carambola; Star Fruit 2 12, 270
Azadirachta indica Neem 2 11, 100
Bacopa monnieri Brahmi; Water Hyssop 1 1, 260
Bactris gasipaes Peach palm; Pejibaye 1 1, 656
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.) 2 4, 290
Ballota nigra Black Horehound 1 2, 000
Baptisia sp 1 0
Baptisia tinctoria Wild Indigo 2 0
Barosma betulina Buchu 3 41, 110
Basella alba Vinespinach 1 14, 785
Belamcanda chinensis Leopard Lily; Blackberry Lily; Shenan; Iris Tigre (Fr.); Leopardenblume (Ger.); Maravilla (Sp.); Mariposa (Sp.) 1 6, 790
Benincasa hispida Waxgourd 2 11, 620
Berberis vulgaris Barberry 8 287, 660
Bertholletia excelsa Brazilnut; Brazilnut-Tree; Creamnut; Paranut 3 13, 828
Beta vulgaris Beet; Beetroot; Sugar Beet; Garden Beet 3 35, 056
Bixa orellana Achiote; Annatto; Annato; Lipsticktree; Lipstick Pod; Bija; Annoto; Arnato 1 1, 040
Blechnum orientale Kuan Chung; Shield Fern 1 5, 160