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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Gram(-)icide

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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
METHYL-GALLATE MIC=12.5-50 ug/ml *
PROANTHOCYANIDINS *
SANGUINARINE LD50=292 (ivn rat) Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
THYMOHYDROQUINONE MIC=50-200 ug/ml *
THYMOL MIC=50-200 ug/ml *
WITHAFERIN Hutchings, A, Scott, AH, Lewis, G, and Cunningham, A. 1996. Zulu
Medicinal Plants. An inventory. University of Natal Press, Pietermaritzburg. 450 pp.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Vicia faba Broadbean; Faba Bean; Habas 1 0
Vitex agnus-castus Chaste-Tree 1 4, 340
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 1 0
Withania somnifera Ashwagandha 1 0
Zanthoxylum americanum Northern Prickly Ash 1 0
Zanthoxylum clava-herculis Pepperbark; Southern Prickly Ash; Hercules'-Club; West Indian Yellowwood 1 0
Zea mays Corn 3 0
Zingiber officinale Ginger 1 100, 490