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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 32 mg/kg ivn rat *
PYCNOGENOL IC50=35 ug/ml hmn *
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
Pinus edulis Pinyon Pine 1 50
Pinus mugo Dwarf Pine; Swiss Mountain Pine 1 0
Pinus pinea Italian Stone Pine; Pignolia 1 92
Pinus sylvestris Scotch Pine 11 241, 000
Piper auritum Cordoncillo; Hierba Santa; Hoja Santa 3 0
Piper cubeba Cubeb; Cubeb Pepper 4 0
Piper nigrum Black Pepper; Pepper; White Pepper 8 237, 107.10000228882
Pistacia lentiscus Mastic; Chios Mastictree; Mastictree; Mastixbaum (Ger.); Lentisco (Sp.) 1 0
Pistacia vera Pistachio 1 30
Pisum sativum Pea 2 60
Plantago asiatica Asian Plantain 1 31
Plantago major Common Plantain 2 2.5
Plantago psyllium Psyllium 1 2.0999999046325684
Platycodon grandiflorum Balloon Flower; Chieh-Keng; Jie-Geng 1 54
Plumeria acutifolia Frangipani 1 0
Podophyllum hexandrum Himalayan Mayapple 1 0
Podophyllum peltatum Mayapple 2 0
Podophyllum pleianthum Chinese Mayapple 1 0
Polygala tenuifolia Chinese Senega 1 12
Polygonum aviculare Prostrate Knotweed 1 0