Plant Hypericum perforatum (Clusiaceae) | Dr. Duke's Phytochemical and Ethnobotanical Databases

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	not available	not available	not available	Duke, 1992 *
HUMULENE	2	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.
HYPERESIN-1	0	Plant	not available	not available	not available	Duke, 1992 *
HYPERESIN-2	0	Plant	not available	not available	not available	Duke, 1992 *
HYPERFORIN	7	Flower	not available	27930.0	not available	Duke, 1992 *
HYPERFORIN	7	Fruit	not available	not available	not available	Duke, 1992 *
HYPERFORIN	7	Leaf	not available	not available	not available	Duke, 1992 *
HYPERFORIN	7	Plant	20000.0	45000.0	not available	Duke, 1992 *
HYPERFORIN	7	Shoot	not available	not available	not available	Duke, 1992 *
HYPERICIN	26	Cotyledon	not available	14.5	not available	Duke, 1992 *
HYPERICIN	26	Essential Oil	not available	2200.0	not available	Duke, 1992 *
HYPERICIN	26	Flower	860.0	18000.0	not available	Duke, 1992 *
HYPERICIN	26	Flower Essent. Oil	5.0	19.0	not available	Duke, 1992 *
HYPERICIN	26	Fruit	not available	730.0	not available	Duke, 1992 *
HYPERICIN	26	Leaf	190.0	1950.0	not available	Duke, 1992 *
HYPERICIN	26	Plant	5000.0	7000.0	not available	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	not available	Duke, 1992 *
HYPERICIN	26	Stem	40.0	210.0	not available	Duke, 1992 *
HYPERICINS	0	Plant	95.0	4660.0	not available	Duke, 1992 *
HYPERICODIHYDROANTHRONE	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.

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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
Antitumor (Pancreas)	3	Duke, 1992 *
Antitumor (Prostate)	3	Duke, 1992 *
Antitumor (Skin)	6	Duke, 1992 *
Antitumor (Stomach)	3	Chiang, L. C., Chiang, W., Chang, M. Y., Ng, L. T., Lin, C. C. 2003. Antileukemic activity of selected natural products in Taiwan. Am J Chin Med, 31(1):37-46.
Antitumor (Thyroid)	1	Duke, 1992 *
Antitumor-Promoter	10	Cancer Research, 48: 5941.
Antitumor-Promoter?	1	Duke, 1992 *
Antitussive	5	Duke, 1992 *
Antiulcer	21	Duke, 1992 *
Antiulcerogenic	1	Duke, 1992 *
Antivaccinia	1	Economic & Medicinal Plant Research, 5: 207.
Antivaricose	1	Duke, 1992 *
Antiviral	36	Duke, 1992 *
Antiwrinkle	2	Martindale's 28th
Antixerophthalmic	1	Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antiyeast	2	Duke, 1992 *
Anxiolytic	3	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.
Aphidifuge	1	Duke, 1992 *
Apoptotic	12	Duke, 1992 *
Aromatase-Inhibitor	2	Journal of Medicinal Food 2: 235.1999.