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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
VISNADIN IC50=49 uM gpg *
WARIFTEINE 100 uM gpg *
XANTHALIN IC50=2.4 ug/ml *
XANTHONOLOL 1 uM gpg *
XANTHOTOXIN IC50=551 uM gpg *
YOHIMBINE 3 uM rat *
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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
Carya ovata Shagbark Hickory 1 22, 500
Casimiroa edulis Matasano; White sapote 4 2, 790
Cassia grandis Pink Shower 1 0
Cassia marilandica Wild Senna 2 1
Cassia tora Sickle Senna 5 3, 180
Castanea dentata American Chestnut 1 1, 406
Castanea mollisima Chinese Chestnut 1 1, 531
Castanea sativa European Chestnut 2 704
Catalpa bignonioides Indian bean 1 0
Catalpa ovata Hsin-Pa-Pi; Kisasage 1 3, 920
Catha edulis Khat 1 1, 610
Catharanthus lanceus Lanceleaf Periwinkle 1 50, 000
Catharanthus roseus Madagascar Periwinkle; Rosy Periwinkle 2 0
Caulophyllum thalictroides Blue Cohosh 3 1, 351.5
Ceiba pentandra Kapok; Silk-Cotton Tree 2 0
Celosia cristata Cockscomb 1 6, 080
Centaurea cyanus Cornflower; Bachelor's Button 3 0
Centaurium erythraea Centaury 1 0
Centella asiatica Gotu Kola; Pennywort 3 7, 424
Centrosema pascuorum 1 0