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.

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
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
BETA-SITOSTEROL 47 Plant not available not available not available Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
BETA-SITOSTEROL 47 Shoot not available not available not available Duke, 1992 *
BIAPIGENIN 0 Leaf not available not available not available Duke, 1992 *
BICYCLOELEMENE 0 Plant 0.1 1.8 -1.00 Duke, 1992 *
BORNEOL 35 Plant 0.2 2.7 -0.67 Duke, 1992 *
BORNYL-ACETATE 12 Plant 0.2 3.6 -0.47 Duke, 1992 *
BRENZCATECHIN 0 Plant not available not available not available Duke, 1992 *
CADINENE 4 Essential Oil not available not available not available ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
CADMIUM 3 Leaf 1.0 7.0 1.86 Duke, 1992 *
CADMIUM 3 Plant 1.0 5.0 1.71 Duke, 1992 *
CADMIUM 3 Root 1.0 3.0 2.17 Duke, 1992 *
CAFFEIC-ACID 102 Plant not available 1000.0 -0.93 Duke, 1992 *
CAFFEIC-ACID 102 Shoot not available 1000.0 -0.30 Duke, 1992 *
CAMPHENE 9 Plant 1.0 18.0 -0.58 Duke, 1992 *
CAROTENE 0 Seed not available 165.0 1.00 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.
CAROTENOIDS 0 Plant not available not available not available ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
CARYOPHYLLENE 31 Essential Oil not available not available not available Duke, 1992 *
CARYOPHYLLENE 31 Plant 26.0 468.0 0.04 Duke, 1992 *
CARYOPHYLLENE-EPOXIDE 6 Plant 0.5 9.0 not available Duke, 1992 *
CATECHINS 1 Plant not available not available not available Duke, 1992 *
View the list of ubiquitous chemicals
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
Spasmolytic 1 Duke, 1992 *
Spermicide 2 Malini, T. and Vanithakumari, G. 1989. Rat Toxicity Studies With B-Sitosterol. Journal of Ethnopharmacology, 28: 221-234, 1990.
Styptic 1 Duke, 1992 *
Succinoxidase-Inhibitor 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Sunscreen 7 Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
Suppository 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Sweetener 2 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
T-Cell-Stimulant 1 Economic & Medicinal Plant Research, 6: 189.
Teratologic 2 Duke, 1992 *
Termiticide 2 Duke, 1992 *
Termitifuge 3 Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
Testosterone-Inducer 1 Duke, 1992 *
Thymoprotective 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Tissue-Thromboplastin-Inhibitor 1 Duke, 1992 *
TNF-alpha-Inhibitor 5 Duke, 1992 *
Tonic 1 Duke, 1992 *
Topoisomerase-I-Inhibitor 5 Santti, R., Makela, S., Strauss, L., Korman, J., Kostian, M. L. 1998. Phytoestrogens: Potential Endocrine Disruptors in Males. Toxicol Ind Health, 14: 223-237.
Topoisomerase-II-Inhibitor 5 Duke, 1992 *
Toxic 1 Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Tranquilizer 4 Lawrence Review of Natural Products, Jun-90.