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

Plant 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
XLSX
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
HUMULENE 2 Essential Oil *
HUMULENE 2 Plant Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
HYPERESIN-1 0 Plant *
HYPERESIN-2 0 Plant *
HYPERFORIN 7 Flower 27930.0 *
HYPERFORIN 7 Fruit *
HYPERFORIN 7 Leaf *
HYPERFORIN 7 Plant 20000.0 45000.0 *
HYPERFORIN 7 Shoot *
HYPERICIN 26 Cotyledon 14.5 *
HYPERICIN 26 Essential Oil 2200.0 *
HYPERICIN 26 Flower 860.0 18000.0 *
HYPERICIN 26 Flower Essent. Oil 5.0 19.0 *
HYPERICIN 26 Fruit 730.0 *
HYPERICIN 26 Leaf 190.0 1950.0 *
HYPERICIN 26 Plant 5000.0 7000.0 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
HYPERICIN 26 Shoot 390.0 1780.0 *
HYPERICIN 26 Stem 40.0 210.0 *
HYPERICINS 0 Plant 95.0 4660.0 *
HYPERICODIHYDROANTHRONE 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.
View the list of ubiquitous chemicals
Download these results as:
CSV
XLSX
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
Antiallergenic 2 (View) Dorsch, W., Wagner, H. New Antiasthmatic Drugs from Traditional Medicine? Int Arch Allergy Appl Immunol 94: 262-265, 1991.
Antiallergic 10 (View) *
Antialopecic 2 (View) *
Antialzheimeran 3 (View) *
Antialzheimeran? 1 (View) Grundy, D. L. and Still, C. C., Inhibition of acetylcholinesterases by pulegone-1,2-epoxide, Oest. Biochem. & Physiol., 23, 1985, 383-8.
Antianaphylactic 7 (View) *
Antiandrogenic 2 (View) Malini, T. and Vanithakumari, G. 1989. Rat Toxicity Studies With B-Sitosterol. Journal of Ethnopharmacology, 28: 221-234, 1990.
Antianemic 1 (View) *
Antiangiogenic 3 (View) *
Antianoxic 1 (View) Yamahara, J., Matsuda, H., Naitoh, Y., Fujimura, H., and Tamai, Y. 1990. Antianoxic Action and Active Constituents of Atractylodis Lanceae Rhizoma. Chem. Pharm. Bull. 38(7): 2033-2034, 1990.
Antiapoplectic 1 (View) *
Antiarrhythmic 3 (View) *
Antiarthritic 3 (View) *
Antiasthmatic 9 (View) Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antiatherogenic 4 (View) *
Antiatheromic 1 (View) Cerda, J.J. Pectin in Health and Disease. HortScience, 25(12): 1485, 1990.
Antiatherosclerotic 6 (View) *
Antibacillary 1 (View) *
Antibacterial 51 (View) Revista Itiliana Eppos, 12: 5, 1994.
Antibiotic 4 (View) Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.