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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=58 uM *
SAFROLE IC50=57 uM gpg *
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.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Smilax spp Sarsaparilla 2 1, 670
Solanum melongena Aubergine; Eggplant 4 16, 638
Solanum nigrum Black Nightshade 2 4, 107
Solanum quitoensis Naranjillo 1 7, 925
Solanum torvum Susumba; Wild Eggplant 2 550
Solanum tuberosum Potato 6 24, 240
Solidago gigantea Early Goldenrod 2 21, 980
Solidago virgaurea European Goldenrod; Woundwort 1 0
Sonchus oleraceus Cerraja; Sow Thistle 1 1, 250
Sophora angustifolia Narrowleaf Sophora 2 3, 720
Sophora japonica Japanese Pagoda Tree 3 470
Sophora pachycarpa Siberian Pachycarpa 1 0
Sophora subprostrata Shan Dou Gen 2 1, 880
Sorbus aucubaria Rowan Berry 4 3, 840
Spartium junceum Genet; Spanish Broom; Weaver's Broom 2 0
Spinacia oleracea Spinach 4 18, 650
Spirulina pratensis Spirulina 2 2, 550
Spirulina spp. Spirulina 2 2, 550
Spondias dulcis Ambarella 2 4, 190
Spondias mombin Yellow Mombin; Yellow Plum 1 3, 230