An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. Fallopia japonica

Fallopia japonica (Polygonaceae)

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

Select a Results View:

View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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.
View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
List of plant activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Chemical Count Reference
Antistaphylococcic 1 *
Antistomatitic 1 Martindale's 28th
Antistress 1 *
Antistroke 1 *
Antisunburn 1 *
Antisyndrome-X 3 Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000.
Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95
Antithrombic 1 *
Antithrombogenic 2 *
Antithyroid 1 *
Antithyrotoxic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antitic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antitinnitic 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antitriglyceride 2 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antitrypanosomic 1 Planta Medica, 57: A44, 1991.
Antitumor 5 *
Antitumor (Breast) 1 *
Antitumor (Colon) 1 *
Antitumor (Esophagus)? 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antitumor (Mammary) 1 *
Antitumor (Mouth) 1 *