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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
Phoenix dactylifera Date Palm 2 1, 540
Phragmites australis Common Reed; Ditch Reed; Giant Reed; Reed Grass 1 36, 400
Phyllanthus acidus Indian Gooseberry; Otaheite Gooseberry 1 2, 558
Phyllanthus emblica Emblic; Myrobalan 2 86, 974
Physalis alkekingi Bladderherb; Lantern 2 8, 000
Physalis ixocarpa Tomatillo 2 2, 610
Physalis peruviana Cape Gooseberry; Ground Cherry 2 9, 350
Phytelephas aequatorialis EQUATORIAL IVORY PALM 1 2, 510
Phytolacca americana Pokeweed 1 16, 184
Pimenta dioica Allspice; Jamaica-Pepper; Pimenta; Clover-Pepper; Pimento 6 13, 854, 180
Pimenta racemosa Bayrum Tree; West Indian Bay 5 196, 246
Pimpinella anisum Anise; Sweet Cumin 15 7, 201, 228
Pinellia ternata Ban-Xia; Pan-Hsia 1 1, 420
Pinus cembroides Mexican Pinyon 1 10
Pinus echinata Shortleaf Pine 1 2, 100
Pinus edulis Pinyon Pine 2 2, 671
Pinus sylvestris Scotch Pine 4 109, 670
Piper auritum Cordoncillo; Hierba Santa; Hoja Santa 5 39, 690
Piper betel Betel Pepper 3 43, 960
Piper cubeba Cubeb; Cubeb Pepper 2 1, 200