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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

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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
(+)-CATECHIN 30 Plant *
(+)-EPICATECHIN 0 Plant Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
(-)-EPICATECHIN 38 Plant Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
(E)-BETA-FARNESENE 0 Plant 0.5 9.0 -0.70 *
(E)-OCIMENE 0 Plant 0.1 2.3 *
(Z)-OCIMENE 0 Plant 0.3 4.5 *
1(3)-11(8)-BIAPIGENIN 0 Flower *
1(3)-11(8)-BIAPIGENIN 0 Shoot 72.5 *
1,3,6,7-TETRAHYDROXYXANTHONE 1 Leaf *
1,3,6,7-TETRAHYDROXYXANTHONE 1 Plant *
2,2-DIMETHYL-7-ISOBUTYL-2H,5H-PYRANO-(4,3-B)-PYRAN-5-ONE 0 Plant 1.5 27.0 *
2,2-DIMETHYL-7-SEC-BUTYL-2H,5H-PYRANO-(4,3-B)-PYRAN-5-ONE 0 Plant 1.0 18.0 *
2-METHYL-BUTENOL 0 Plant *
2-METHYL-DECANE 0 Fruit Essent. Oil *
2-METHYL-DECANE 0 Leaf Essent. Oil *
2-METHYL-DECANE 0 Shoot *
2-METHYL-OCTANE 0 Fruit Essent. Oil *
2-METHYL-OCTANE 0 Leaf Essent. Oil *
2-METHYL-OCTANE 0 Shoot *
5-METHYLHEPTAN-2,4-DIONE 0 Plant 0.3 4.5 *

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View the list of ubiquitous chemicals
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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
(-)-Chronotropic 2 (View) Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
(-)-Inotropic 2 (View) Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
11B-HSD-Inhibitor 2 (View) *
5-Alpha-Reductase-Inhibitor 2 (View) *
5-HT-Inhibitor 1 (View) *
5-Lipoxygenase-Inhibitor 3 (View) *
Abortifacient 1 (View) *
Acaricide 4 (View) *
ACE-Inhibitor 12 (View) *
AChE-Inhibitor 1 (View) Grundy, D. L. and Still, C. C., Inhibition of acetylcholinesterases by pulegone-1,2-epoxide, Oest. Biochem. & Physiol., 23, 1985, 383-8.
Acidulant 1 (View) Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Aldehyde-Oxidase-Inhibitor 2 (View) *
Aldose-Reductase-Inhibitor 23 (View) *
Allelochemic 13 (View) Lydon, J. & Duke, S., The potential of pesticides from plants, pp. 1-41 in Craker, L. & Simon, J., eds, Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture, & Pharmacology, v. 4, Oryx Press, Phoenix, 1989, 267pp.
Allelopathic 6 (View) Holappa, L.D., and Blum*, U. 1991. Effects of Exogenously Applied Ferulic Acid, a Potential Allelopathic Compound, on Leaf Growth, Water Utilization, and Endogenous Abscisic Acid Levels of Tomato, Cucumber, and Bean. J. of Chemical Ecology, 17(5): 865.
Allergenic 15 (View) *
Anabolic 1 (View) *
Analeptic 1 (View) *
Analgesic 17 (View) *
Androgenic 1 (View) *