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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
Sophora subprostrata Shan Dou Gen 1 14
Sorbus aucubaria Rowan Berry 3 18
Spinacia oleracea Spinach 4 1, 750
Spirulina spp. Spirulina 1 5.300000190734863
Spondias dulcis Ambarella 1 1.899999976158142
Spondias pinnata Yellow Mombin; Yellow Plum 1 0
Spondias tuberosa Imbu; Umbu 1 2.6600000858306885
Stachys germanica Downy Woundwort 2 13
Stachys officinalis Betony; Wood Betony; Bishop's-Wort; Purple Betony 1 3.200000047683716
Stellaria media Chickweed; Common Chickweed 2 10.399999618530273
Stephania tetrandra Stephania 2 0
Stevia rebaudiana Ca-A-E; Sweet Leaf of Paraguay; Stevia 5 375
Symphoricarpos orbiculatus Buckbush 1 92
Symphytum officinale Comfrey 1 2.799999952316284
Syringa vulgaris Lilac 1 0
Syzygium aromaticum Clove; Clovetree 6 25, 362
Syzygium cumini Aceituna Dulce; Jambolan; Java Plum 1 0
Tabebuia heptaphylla Pau D'Arco 1 0.699999988079071
Tagetes lucida Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold 2 500
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 2 26, 400