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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=36 uM/ *
OLEACEIN IC50=26 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.
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Plant Name Common Name Chemical Count Total Parts Per Million
Hordeum vulgare Barley; Barleygrass 4 142
Houttuynia cordata Fishwort; Dokudami; Yu Xing Cao 5 268, 068
Humulus lupulus Hops 12 0
Hyacinthus orientalis Hyacinth 1 0.23000000417232513
Hydrangea arborescens Smooth Hydrangea; Hydrangea 1 0
Hydrastis canadensis Goldenseal 1 1.600000023841858
Hyoscyamus niger Henbane 1 48
Hypericum perforatum Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed 12 62, 045
Hyptis suaveolens Wild Hops 4 456
Hyssopus officinalis Hyssop 4 3, 173.10000000149
Illicium verum Star Anise; Chinese Star Anise; Chinesischer Sternanis (Ger.); Sternanis (Ger.); anis de China (Sp.); anis estrellado (Sp.) 4 3, 270
Inula helenium Elecampane 1 3.9000000953674316
Ipomoea aquatica Swamp Cabbage; Water Spinach 1 184
Ipomoea batatas Sweet Potato 2 11
Isanthus brachiatus False Pennyroyal 2 60
Isatis tinctoria Dyer's Woad 1 40
Jasminum officinale Jasmine; Poet's Jessamine 1 380
Jatropha curcas Physic Nut; Purging Nut 2 0
Jatropha gossypifolia Spanish Physic Nut 2 0
Juglans cinerea Butternut 1 37