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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
Thymus mastichina Spanish Marjoram 4 951
Thymus orospedanus Orosped Thyme 2 4, 778
Thymus riatarum 'Moroccan' Thyme 4 1, 690
Thymus saturejoides Moroccan Savory Thyme 4 130.10000000149012
Thymus serpyllum Creeping Thyme 3 4, 107
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 6 239, 134.5
Thymus x citriodorus Funk's thyme; Lemon Thyme 2 440
Thymus zygis 'Portuguese' Thyme 4 3, 063
Tilia sp. Basswood; Lime; Linden 4 0
Trachyspermum ammi Ajwan 3 14, 123
Tragopogon porrifolius Salsify 5 2
Tribulus terrestris Puncture-vine 1 0
Trichostemma dichotomum Blue Curls 2 16.5
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 3 0
Trigonella foenum-graecum Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) 7 5, 500
Triticum aestivum Wheat 1 19
Tropaeolum majus Nasturtium 1 0
Tsuga canadensis Eastern Hemlock 1 120
Turnera diffusa Damiana 1 3.700000047683716
Tussilago farfara Coltsfoot 2 25