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
HYPERIFOLIN 0 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.
HYPERIN 14 Plant 3500.0 5500.0 not available Duke, 1992 *
HYPEROSIDE 30 Flower not available 6570.0 1.38 Duke, 1992 *
HYPEROSIDE 30 Leaf not available not available not available Duke, 1992 *
HYPEROSIDE 30 Plant 3500.0 20000.0 1.41 Duke, 1992 *
HYPEROSIDE 30 Shoot 5000.0 40000.0 1.00 Duke, 1992 *
HYPEROSIDE 30 Stem not available not available not available Duke, 1992 *
I3,II8-BIAPIGENIN 0 Flower 100.0 500.0 not available Duke, 1992 *
I3,II8-BIAPIGENIN 0 Plant not available 2600.0 not available Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp.
IMANIN 1 Plant not available not available not available List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
IMANIN 1 Shoot not available not available not available Duke, 1992 *
ISHWARANE 0 Plant 0.5 9.0 not available Duke, 1992 *
ISOFERULIC-ACID 4 Plant not available not available not available Duke, 1992 *
ISOHYPERICIN 0 Plant not available not available not available List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
ISOQUERCETIN 3 Plant not available not available not available Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
ISOQUERCITIN 0 Plant not available not available not available Duke, 1992 *
ISOQUERCITRIN 22 Flower not available not available not available Duke, 1992 *
ISOQUERCITRIN 22 Plant not available 3000.0 1.00 Duke, 1992 *
ISOVALERIANIC-ACID 0 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.
ISOVALERIC-ACID-ESTER 0 Plant not available not available not available List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
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
Diaphoretic? 3 Lawrence Review of Natural Products, Dec-90.
Differentiator 2 Duke, 1992 *
Diuretic 15 Duke, 1992 *
DNA-Active 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
DNA-Protective 1 Duke, 1992 *
Dye 3 Merck 11th Edition
Ecbolic 1 Duke, 1992 *
Elastase-Inhibitor 2 Duke, 1992 *
Embryotoxic 1 Duke, 1992 *
Emetic 4 Lawrence Review of Natural Products, Sep-97.
Enterocontractant 2 J. Aromatherapy 4: 22.
Essential 3 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Estrogenic 6 Duke, 1992 *
Estrogenic? 1 Economic & Medicinal Plant Research, 6: 189.
Expectorant 7 Duke, 1992 *
Febrifuge 1 Neuwinger, H. D. 1996. African Ethnobotany - Poisons and Drugs. Chapman & Hall, New York. 941 pp.
Fistula-Preventive 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Flatugenic 1 Martindale's 29th
FLavor 26 Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Floral-Inhibitor 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.