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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
Juglans nigra Black Walnut 3 81
Juglans regia English Walnut 4 2, 905
Juncus effusus Rush 1 38
Juniperus communis Common Juniper; Juniper 11 10, 160
Juniperus sabina Sabine 4 0
Juniperus virginiana Red Cedar 3 317
Jussiaea repens Jussiaeae Herba; Pond Dragon 1 80
Kalanchoe spathulata Beach Bells 1 0
Krameria triandra Rhatany 1 0
Lablab purpureus Bonavist Bean; Hyacinth Bean; Lablab Bean 1 279
Lactuca sativa Lettuce 1 974
Lagenaria siceraria Calabash Gourd; White-Flowered Gourd 1 314
Lagerstroemia indica Crape Myrtle 2 0
Lantana camara Lantana; Wild Sage 1 0
Larrea tridentata Chaparral; Creosote Bush 2 0
Laurus nobilis Bayleaf; Sweet Bay; Grecian Laurel; Bay Laurel; Laurel; Bay 11 1, 211, 940
Lavandula angustifolia English Lavender 1 0
Lavandula latifolia Aspic; Broad-Leaved Lavender; Spike Lavender 3 882
Lavandula x hybrida Hybrid Lavender 4 435
Lavandula x intermedia Dutch Lavender; Lavandin 4 360