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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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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
HUMULENE 2 Essential Oil *
HUMULENE 2 Plant Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
HYPERESIN-1 0 Plant *
HYPERESIN-2 0 Plant *
HYPERFORIN 7 Flower 27930.0 *
HYPERFORIN 7 Fruit *
HYPERFORIN 7 Leaf *
HYPERFORIN 7 Plant 20000.0 45000.0 *
HYPERFORIN 7 Shoot *
HYPERICIN 26 Cotyledon 14.5 *
HYPERICIN 26 Essential Oil 2200.0 *
HYPERICIN 26 Flower 860.0 18000.0 *
HYPERICIN 26 Flower Essent. Oil 5.0 19.0 *
HYPERICIN 26 Fruit 730.0 *
HYPERICIN 26 Leaf 190.0 1950.0 *
HYPERICIN 26 Plant 5000.0 7000.0 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
HYPERICIN 26 Shoot 390.0 1780.0 *
HYPERICIN 26 Stem 40.0 210.0 *
HYPERICINS 0 Plant 95.0 4660.0 *
HYPERICODIHYDROANTHRONE 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.
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