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
(+)-CATECHIN 30 Plant *
(+)-EPICATECHIN 0 Plant Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
(-)-EPICATECHIN 38 Plant Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
(E)-BETA-FARNESENE 0 Plant 0.5 9.0 -0.70 *
(E)-OCIMENE 0 Plant 0.1 2.3 *
(Z)-OCIMENE 0 Plant 0.3 4.5 *
1(3)-11(8)-BIAPIGENIN 0 Flower *
1(3)-11(8)-BIAPIGENIN 0 Shoot 72.5 *
1,3,6,7-TETRAHYDROXYXANTHONE 1 Leaf *
1,3,6,7-TETRAHYDROXYXANTHONE 1 Plant *
2,2-DIMETHYL-7-ISOBUTYL-2H,5H-PYRANO-(4,3-B)-PYRAN-5-ONE 0 Plant 1.5 27.0 *
2,2-DIMETHYL-7-SEC-BUTYL-2H,5H-PYRANO-(4,3-B)-PYRAN-5-ONE 0 Plant 1.0 18.0 *
2-METHYL-BUTENOL 0 Plant *
2-METHYL-DECANE 0 Fruit Essent. Oil *
2-METHYL-DECANE 0 Leaf Essent. Oil *
2-METHYL-DECANE 0 Shoot *
2-METHYL-OCTANE 0 Fruit Essent. Oil *
2-METHYL-OCTANE 0 Leaf Essent. Oil *
2-METHYL-OCTANE 0 Shoot *
5-METHYLHEPTAN-2,4-DIONE 0 Plant 0.3 4.5 *
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
Antiallergenic 2 Dorsch, W., Wagner, H. New Antiasthmatic Drugs from Traditional Medicine? Int Arch Allergy Appl Immunol 94: 262-265, 1991.
Antiallergic 10 *
Antialopecic 2 *
Antialzheimeran 3 *
Antialzheimeran? 1 Grundy, D. L. and Still, C. C., Inhibition of acetylcholinesterases by pulegone-1,2-epoxide, Oest. Biochem. & Physiol., 23, 1985, 383-8.
Antianaphylactic 7 *
Antiandrogenic 2 Malini, T. and Vanithakumari, G. 1989. Rat Toxicity Studies With B-Sitosterol. Journal of Ethnopharmacology, 28: 221-234, 1990.
Antianemic 1 *
Antiangiogenic 3 *
Antianoxic 1 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 *
Antiarrhythmic 3 *
Antiarthritic 3 *
Antiasthmatic 9 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antiatherogenic 4 *
Antiatheromic 1 Cerda, J.J. Pectin in Health and Disease. HortScience, 25(12): 1485, 1990.
Antiatherosclerotic 6 *
Antibacillary 1 *
Antibacterial 51 Revista Itiliana Eppos, 12: 5, 1994.
Antibiotic 4 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.