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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Histamine-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
CAFFEIC-ACID *
CHLOROGENIC-ACID *
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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
Tecoma stans Yellow Elder 1 0
Teucrium chamaedrys Wall Germander 2 200
Teucrium scordium Water Germander 1 0
Teucrium scorodonia Germander; Wood Germander 1 40, 000
Theobroma cacao Cacao 2 0
Thymus serpyllum Creeping Thyme 1 6, 200
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 2 50, 700
Tilia sp. Basswood; Lime; Linden 2 0
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 2 0
Triticum aestivum Wheat 2 9
Tropaeolum majus Nasturtium 1 0
Uncaria guianensis Cat's Claw; Una de Gato; Garabato Colorado; Tambor Huasca; Ungunagi 1 0
Uncaria tomentosa Cat's Claw; Garabato Amarillo; Una de Gato 1 0
Urtica dioica European Nettle; Stinging Nettle 2 10, 000
Vaccinium corymbosum Blueberry 2 3, 000
Vaccinium macrocarpon Cranberry; Large Cranberry; American Cranberry 1 0
Vaccinium myrtillus Bilberry; Whortleberry; Dwarf Bilberry 2 14, 220
Vaccinium vitis-idaea Cowberry; Lingen; Lingonberry 1 0
Valeriana officinalis Valerian; Common Valerian; Garden-Heliotrope 2 39, 300
Verbena officinalis Vervain 1 10, 000