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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Elastase-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
BOSWELLIC-ACID IC50=15 uM *
GLYCOSMININE Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
OLEANOLIC-ACID IC50=~15 uM *
PROANTHOCYANIDINS IC50=~4 uM *
PROCYANIDINS IC50=4.24 uM/l *
RESVERATROL IC50=37 uM *
URSOLIC-ACID IC50=~15 uM *
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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 vulgaris Common Thyme; Garden Thyme; Thyme 2 75, 300
Uncaria tomentosa Cat's Claw; Garabato Amarillo; Una de Gato 2 450
Urtica dioica European Nettle; Stinging Nettle 2 70
Vaccinium corymbosum Blueberry 3 0
Vaccinium macrocarpon Cranberry; Large Cranberry; American Cranberry 3 0
Vaccinium myrtillus Bilberry; Whortleberry; Dwarf Bilberry 2 7, 500
Vaccinium vitis-idaea Cowberry; Lingen; Lingonberry 1 22, 500
Verbascum thapsus Mullein; Velvetplant; Flannelleaf; Flannelplant; Great Mullein 1 0
Verbena officinalis Vervain 1 0
Viburnum opulus Crampbark; European Cranberry Bush; Guelder Rose; Snowballbush 1 0
Viburnum prunifolium Black Haw 2 0
Vinca minor Periwinkle; Running-Myrtle 1 100, 800
Viscum album European Mistletoe 1 0
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 4 723, 332.8000011444
Zea mays Corn 1 0
Zizyphus jujuba Da-Zao; Jujube; Ta-Tsao 2 0