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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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ACE-Inhibitor

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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
OLEACEIN IC50=26 uM/ *
OLEACEIN IC50=36 uM/ *
OLEOSIDE 0.33 mg/ml (weak activity, 70% inhibition) *
OLEOSIDE-11-METHYL-ESTER 0.33 mg/ml (weak activity, 16% inhibition) *
OLEUROPEIN 0.33 mg/ml (weak activity, 8% inhibition) *
PEPSTATIN IC50@ug/ml *
PHENACEIN IC50=0.58 uM/ *
PROCYANIDIN-B-1 0.33 mg/ml (58.2% inhibition) *
PROCYANIDIN-B-2-3,3'-DI-O-GALLATE ED50=2.2 uM/ *
PROCYANIDIN-B-3 0.33 mg/ml (62.1% inhibition) *
PROCYANIDIN-B-3-3-O-GALLATE *
PROCYANIDIN-B-5-3,3'-DI-O-GALLATE ED50=1.3 uM/ *
PROCYANIDIN-B-6 0.17 mg/ml (36.7% inhibition) *
PROCYANIDIN-C-1-3,3',3''-TRI-O-GALLATE ED50=1.7 uM/ *
PROCYANIDIN-C-2 0.17 mg/ml (43.8% inhibition) *
PROCYANIDINS IC30-90=150-333 ug/ml *
PYCNOGENOL IC50=35 ug/ml hmn *
PYCNOGENOL 32 mg/kg ivn rat *
QUERCETIN-3-(2''-O-GALLOYL)-GLUCOSIDE ID50=300 ug/ml rat (24 hr.) *
QUERCETIN-3-O-(2''-O-GALLOYL)-GLUCOSIDE IC50=2.7 mM/l *
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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
Elsholtzia eriostachya 'Dwarf' Bush Mint 1 0.10000000149011612
Elsholtzia pilosa Hairy Mint Shrub 3 125
Elsholtzia polystachya Bush Mint 4 32.79999986290932
Elytrigia repens Couchgrass; Doggrass; Quackgrass; Wheatgrass; Twitchgrass 1 0
Ephedra gerardiana Pakistani Ephedra 2 0
Ephedra nevadensis Brigham Tea; Mormon Tea 1 0
Ephedra sinica Ma Huang; Chinese Ephedra 8 306.19999980926514
Ephedra spp Ma-Huang 1 8
Equisetum arvense Field Horsetail; Horsetail 6 0
Equisetum hyemale Horsetail; Scouring Rush 1 20
Eriobotrya japonica Loquat 2 28
Eriocaulon sp Oriental Pipewort 1 21
Eriodictyon californicum Yerba Santa; California Yerba Santa; Hierba Santa; Mountain Balm; Bear's Weed; Consumptive's Weed; Tarweed; Gum Bush; Holy Herb 1 15.300000429153442
Erythroxylum coca Coca 5 3, 229
Erythroxylum novogranatense Coca 2 155
Eschscholzia californica California Poppy 1 0
Eucalyptus albens 4 18.30000000447035
Eucalyptus angulosa 3 62.5
Eucalyptus astringens 4 310.30000000447035
Eucalyptus behriana 3 8.100000143051147