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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.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Brassica oleracea var. italica Broccoli; Heading Broccoli; Sprouting Broccoli; Cape Broccoli; Purple Cauliflower; Asparagus Broccoli; Winter Broccoli; Calabrese 2 944
Brassica oleracea var. sabellica l. Kale; Curly Kale; Kitchen Kale; Scotch Kale 1 112
Brassica oleracea var. viridis l. Collards; Cow Cabbage; Tall Kale; Tree Kale; Spring-Heading Cabbage 1 785
Brassica pekinensis Chinese Cabbage 1 80
Brassica rapa Turnip; Seven-Top Turnip; Rapini 1 84
Broussonetia papyrifera Paper Mulberry 1 23
Bupleurum chinense Chai-Hu 1 0
Bursera delpechiana Lignaloe; Linaloe 2 21, 120
Caesalpinia pulcherrima Bird Of Paradise 2 0
Cajanus cajan Pigeonpea 1 34
Calamintha nepeta Turkish Calamint 3 164
Callicarpa americana American Beauty Berry; Beauty Berry; French Mulberry 3 10.650000035762787
Camellia sinensis Tea 18 190, 731
Camptotheca acuminata Happy Tree 1 0
Canarium indicum Java-Olive; Manila Elemi 2 14, 000
Canavalia ensiformis Jack Bean 1 20
Capsicum annuum Bell Pepper; Green Pepper; Cherry Pepper; Sweet Pepper; Cone Pepper; Paprika 8 2, 500.199998855591
Capsicum frutescens Cayenne; Chili; Tabasco; Hot Pepper; Spur Pepper; Red Chili 3 144
Carica papaya Papaya 4 0
Carthamus tinctorius Safflower 1 0