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. Hypericum perforatum

Hypericum perforatum (Clusiaceae)

Common Names
Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed
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
PSEUDOHYPERICIN 2 Leaf *
PSEUDOHYPERICIN 2 Plant *
PSEUDOHYPERICIN 2 Shoot 40.0 *
PSEUDOHYPERICODIHYDROANTHRONE 0 Plant Watt, J.M. and Breyer-Brandwijk, M.G. 1962. The Medicinal and Poisonous Plants of Southern and Eastern Africa. E. & S. Livingstone, Ltd. Edinburg & London. 1457 pp.
PYROGALLOL 23 Plant *
QUERCETIN 176 Flower 1000.0 0.94 *
QUERCETIN 176 Leaf *
QUERCETIN 176 Plant 20000.0 1.00 *
QUERCETIN 176 Shoot *
QUERCETIN 176 Stem *
QUERCETIN-3-O-GLUCURONIDE 0 Plant *
QUERCETIN-3-O-GLUCURONIDE 0 Shoot *
QUERCETIN-3-O-XYLOSIDE 0 Plant *
QUERCETIN-3-O-XYLOSIDE 0 Shoot *
QUERCITRIN 44 Flower 3380.0 *
QUERCITRIN 44 Leaf *
QUERCITRIN 44 Plant *
QUERCITRIN 44 Shoot 3000.0 5240.0 -1.00 *
RESORCYNOL 0 Plant *
RHODAN 0 Plant Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 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
Convulsant 1 R.J. Hixtable (Huxtable, R.J. (as T. Max). 1992. This and That:The Essential Pharmacology of Herbs and Spices. Tips 13:15-20 Huxtable, R.J. 1992b. The Myth of Benficent Nature. The Risk of Herbal Preparations. Anns. Intern. Med. 117(2):165-6; Huxtable, R.
Copper-Chelator 2 *
Cosmetic 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
COX-1-Inhibitor 2 *
COX-2-Inhibitor 5 *
Culicide 1 *
Cyclooxygenase-Activator 2 Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
Cyclooxygenase-Inhibitor 4 *
Cytochrome-P450-1A2-Inhibitor 1 *
Cytochrome-P450-Inducer 1 *
Cytoprotective 2 Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
Cytotoxic 11 *
Decalcifier 1 Merck 11th Edition
Deiodinase-Inhibitor 2 Jim Duke's personal files.
Demulcent 1 *
Deodorant 3 Merck 11th Edition
Dermal 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Dermatitigenic 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Detoxicant 4 *
Diaphoretic 1 *