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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

List of Chemicals

Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemicals Reference
ISOPETASIN Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176)
PETASIN Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176)
PROTOCATECHUICACID Ortiz de Urbina, J.J., Martin, M.L., Sevilla, M.A., Montero, M.J., Carron, R., and San Roman, L. Antispasmodic Activity on Rat Smooth Muscle of Polyphenol Compounds Caffeic and Protocathechic Acids. Phytotherapy Research 4(2): 73, 1990.
QUERCETIN *