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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
OVATODIOLIDE 50 uM *
OXYACANTHINE IC50=0.98 uM pig *
OXYPEUCEDANIN IC50=1.2 ug/ml *
OXYPEUCEDANIN-HYDRATE *
PALMITIC-ACID-ETHYL-ESTER 0.5 g/kg scu rbt *
PAPAVERINE gpg *
PEUARENARIN IC50=2.2 ug/ml *
PEUARENIN IC50=3.0 ug/ml *
PEUCEDANIN IC50=3.3 ug/ml *
PHAEANTHINE IC50=1.6 uM pig *
PHELLOPTERIN *
PHYSCION 5/6 aloeemodin *
PINORESINOLDIMETHYL-ETHER 260 uM gpg *
PLUMBAGIN IC50=67 uM gpg *
PROTOPINE *
PSORALEN *
QUINIZARIN 1/10 aloeemodin *
R-(+)-N-(15-METHYL-3-(13-METHYL-TETRADEC-CIS-4-ENOYL-OXY)-HEXADECANOYL)-GLYCINE IC50=1.8 uM *
R-(+)-N-(15-METHYL-3-(13-METHYL-TETRADECANOYL-OXYHEXADECANOYL)-GLYCINE IC50=4.9 uM *
REPANDINE IC50=0.82 uM pig *
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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
Tabebuia heptaphylla Pau D'Arco 3 991
Tagetes filifolia Pampa Anise; Irish Lace 3 5, 692, 800
Tagetes lucida Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold 2 8, 188
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 2 60, 000
Tagetes patula French Marigold 1 0
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 3 10, 497
Tanacetum parthenium Feverfew 5 8, 730
Tanacetum vulgare Tansy 1 0
Taraxacum mongolicum Mongoloid Dandelion 1 4, 050
Taraxacum officinale Dandelion 5 10, 966
Taxus baccata Common Yew 2 4.699999809265137
Taxus sumatrana Sumatran Yew 1 0
Tecoma stans Yellow Elder 1 0
Teline sp 1 0
Tephrosia purpurea Purple Tephrosia; Wild Indigo 1 20, 600
Terminalia arjuna Arjun; Arjuna 1 1.7999999523162842
Terminalia catappa Indian Almond; Tropical Almond; Malabar Almond 1 0
Terminalia chebula Ink Nut; Myrobalan; Black Myrobalan; Chebulic Myrobalan 1 3, 680
Tetragonia tetragonioides New Zealand Spinach 2 11, 500
Tetrapanax papyrifera Rice Paper Tree; Tong-Cao; Tung-Tsao 1 6, 360