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
Antibradykinic 1 *
Antibronchitic 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Antibronchoconstrictor 1 *
Anticancer 11 *
Anticancer (Breast) 2 Madhavi, D. L., Bomser, J., Smith, M., Singletary, K. 1998. Isolation of Bioactive Constituents from Vaccinium myrtillus (Bilberry) Fruits and Cell Cultures. Plant Sci., 131(1): 95-103.
Anticancer (Cervix) 2 Medicinal and Poisonous Plants of the Tropics. Leeuwenberg, A.J.M., ed. Pudoc, Wageningen. 1987.
Anticancer (Colon) 3 *
Anticancer (Forestomach) 2 *
Anticancer (Liver) 3 *
Anticancer (Lung) 1 *
Anticancer (Pancreas) 1 *
Anticancer (Skin) 2 *
Anticapillary-Fragility 2 Keeler, R.F. and Tu, A.T. eds. 1991. Toxicology of Plant and Fungal Compounds. (Handbook of Natural Toxins Vol. 6) Marcel Dekker, Inc. NY. 665 pp.
Anticarcinogenic 4 Economic & Medicinal Plant Research, 6: 189.
Anticarcinomic 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Anticarcinomic (Breast) 1 Medline (post 1990 searches filed in my computer)
Anticariogenic 6 Muroi, H. and Kubo, I. 1993. Combination Effects of Antibacterial Compounds in Green Tea Flavor against Streptococcus mutans. J. Agric. Food Chem. 41: 1102-1105.
Anticataract 6 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Anticephalagic 1 *
Anticerebrotic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.