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

Plant Fallopia japonica (Polygonaceae)

Common Names
Japanese Knotweed, Giant Knotweed, Mexican Bamboo, Hu-Zhang
How this plant is used
Medicinal

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View the list of ubiquitous chemicals
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List of plant chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Activity Count Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
(+)-CATECHIN 30 Root 2.0 *
2,5-DIMETHYL-7-HYDROXYCHROMONE 0 Root 2.0 *
2,5-DIMETHYL-7-HYDROXYCHROMONE-7-MONOACETATE 0 Root 0.5 *
2-METHOXY-6-ACETYL-7-METHYL-JUGLONE 0 Root 3.0 *
2-METHOXY-6-ACETYL-7-METHYL-JUGLONE-MONOACETATE 0 Root 0.5 *
7-HYDROXY-4-METHOXY-5-METHYLCOUMARIN 0 Root 3.0 *
7-HYDROXY-4-METHOXY-5-METHYLCOUMARIN-8-MONOACETATE 0 Root 0.5 *
ANTHRAQUINONES 6 Root Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
ARSENIC 2 Plant Chem. & Pharm. Bull. 38: 2205.
BARIUM 0 Plant 14.0 32.0 -0.84 Chem. & Pharm. Bull. 38: 2205.
BROMINE 0 Plant 11.0 80.0 0.95 Chem. & Pharm. Bull. 38: 2205.
CALCIUM 28 Plant 11000.0 12000.0 -0.17 Chem. & Pharm. Bull. 38: 2205.
CHLORINE 7 Plant 4000.0 6000.0 -0.10 Chem. & Pharm. Bull. 38: 2205.
CHROMIUM 24 Plant 8.0 14.0 0.44 Chem. & Pharm. Bull. 38: 2205.
CHRYSOPHANOL 10 Root List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
CITREOROSEIN 0 Root Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
COPPER 12 Plant 9.0 10.0 -0.44 Chem. & Pharm. Bull. 38: 2205.
EMODIN 58 Root 4000.0 6700.0 0.60 *
EMODIN-8-BETA-D-GLUCOSIDE 0 Root List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
EMODIN-8-GLUCOSIDE 2 Root Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
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