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
PSEUDOHYPERICIN 2 Leaf not available not available not available Duke, 1992 *
PSEUDOHYPERICIN 2 Plant not available not available not available Duke, 1992 *
PSEUDOHYPERICIN 2 Shoot not available 40.0 not available Duke, 1992 *
PSEUDOHYPERICODIHYDROANTHRONE 0 Plant not available not available not available 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 not available not available not available Duke, 1992 *
QUERCETIN 176 Flower not available 1000.0 0.94 Duke, 1992 *
QUERCETIN 176 Leaf not available not available not available Duke, 1992 *
QUERCETIN 176 Plant not available 20000.0 1.00 Duke, 1992 *
QUERCETIN 176 Shoot not available not available not available Duke, 1992 *
QUERCETIN 176 Stem not available not available not available Duke, 1992 *
QUERCETIN-3-O-GLUCURONIDE 0 Plant not available not available not available Duke, 1992 *
QUERCETIN-3-O-GLUCURONIDE 0 Shoot not available not available not available Duke, 1992 *
QUERCETIN-3-O-XYLOSIDE 0 Plant not available not available not available Duke, 1992 *
QUERCETIN-3-O-XYLOSIDE 0 Shoot not available not available not available Duke, 1992 *
QUERCITRIN 44 Flower not available 3380.0 not available Duke, 1992 *
QUERCITRIN 44 Leaf not available not available not available Duke, 1992 *
QUERCITRIN 44 Plant not available not available not available Duke, 1992 *
QUERCITRIN 44 Shoot 3000.0 5240.0 -1.00 Duke, 1992 *
RESORCYNOL 0 Plant not available not available not available Duke, 1992 *
RHODAN 0 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.
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
Antigastritic 4 Duke, 1992 *
Antigenotoxic 1 Duke, 1992 *
Antigingivitic 3 Duke, 1992 *
Antiglaucomic 3 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antigliomic 1 Duke, 1992 *
Antiglutamaergic 1 Duke, 1992 *
Antigonadotrophic 2 Malini, T. and Vanithakumari, G. 1989. Rat Toxicity Studies With B-Sitosterol. Journal of Ethnopharmacology, 28: 221-234, 1990.
Antigonadotropic 3 Jim Duke's personal files.
AntiGTF 1 Duke, 1992 *
Antihalitosic 1 Duke, 1992 *
Antihangover 1 Duke, 1992 *
Antihelicobacter 1 Duke, 1992 *
Antihematuric 1 Duke, 1992 *
Antihemolytic 2 Ohnishi, M., Morishita, H., Iwahashi, H., Toda, S., Shirataki, Y., Kimura, M., and Kido, R. 1993. Inhibitory Effects of Chlorogenic Acids on Linoleic Acid Peroxidation and Haemolysis. Phytochemistry. 36(3): 579-583. 1994.
Antihemorrhagic 2 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antihemorrhoidal 2 Martindale's 28th
Antihepatitic 3 Vlietinck, A.J. and Dommisse, R.A. eds. 1985. Advances in Medicinal Plant Research. Wiss. Verlag. Stuttgart.
Antihepatoadenomic 1 Duke, 1992 *
Antihepatotic 1 =ICMR(Indian Council of Medical Research).1976.Medicinal Plants of India.Vol.1.Indian Council of Med. Res.Cambridge Printing Works, New Delhi.487 pp;ICMR.1987.Medicinal Plants of India.Vol.2.Indian Council of Med. Res.Cambr. Printing Works,New Delhi.600pp
Antihepatotoxic 12 Economic & Medicinal Plant Research, 6: 189.