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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

Plant Hypericum perforatum (Clusiaceae)

Common Names
Common St. Johnswort, Hypericum, Klamath Weed, St. John's-wort, Goatweed
How this plant is used
Medicinal

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View the list of ubiquitous chemicals
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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.
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