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
Neuroinhibitor	1	Duke, 1992 *
Neuroprotective	3	Duke, 1992 *
Neurotoxic	1	Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Neurotransmitter	1	Duke, 1992 *
NF-kB-Inhibitor	2	Duke, 1992 *
Nigrifacient	1	Martindale's 29th
NO-Genic	2	Duke, 1992 *
NO-Inhibitor	6	Duke, 1992 *
NO-Synthase-Inhibitor	1	Duke, 1992 *
Ophthalmic-Antialkali	1	Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ornithine-Decarboxylase-Inhibitor	6	Hagerman, A.E. Tannin-Protein Interactions. Phenolic Compounds in Food and Their Effects on Health, Ch.19.
Oviposition-Stimulant	2	Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Oxidant	1	Duke, 1992 *
Oxidase-Inhibitor	1	Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ozone-Scavenger	1	Duke, 1992 *
P450-2B1-Inhibitor	3	Duke, 1992 *
P450-Inducer	3	Father Nature's Farmacy: The aggregate of all these three-letter citations.
P450-Inhibitor	1	Father Nature's Farmacy: The aggregate of all these three-letter citations.
PAF-Inhibitor	2	Duke, 1992 *
Pancreatogenic	2	Duke, 1992 *