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
HYPERIFOLIN	0	Plant	not available	not available	not available	Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
HYPERIN	14	Plant	3500.0	5500.0	not available	Duke, 1992 *
HYPEROSIDE	30	Flower	not available	6570.0	1.38	Duke, 1992 *
HYPEROSIDE	30	Leaf	not available	not available	not available	Duke, 1992 *
HYPEROSIDE	30	Plant	3500.0	20000.0	1.41	Duke, 1992 *
HYPEROSIDE	30	Shoot	5000.0	40000.0	1.00	Duke, 1992 *
HYPEROSIDE	30	Stem	not available	not available	not available	Duke, 1992 *
I3,II8-BIAPIGENIN	0	Flower	100.0	500.0	not available	Duke, 1992 *
I3,II8-BIAPIGENIN	0	Plant	not available	2600.0	not available	Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp.
IMANIN	1	Plant	not available	not available	not available	List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
IMANIN	1	Shoot	not available	not available	not available	Duke, 1992 *
ISHWARANE	0	Plant	0.5	9.0	not available	Duke, 1992 *
ISOFERULIC-ACID	4	Plant	not available	not available	not available	Duke, 1992 *
ISOHYPERICIN	0	Plant	not available	not available	not available	List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
ISOQUERCETIN	3	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.
ISOQUERCITIN	0	Plant	not available	not available	not available	Duke, 1992 *
ISOQUERCITRIN	22	Flower	not available	not available	not available	Duke, 1992 *
ISOQUERCITRIN	22	Plant	not available	3000.0	1.00	Duke, 1992 *
ISOVALERIANIC-ACID	0	Plant	not available	not available	not available	Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
ISOVALERIC-ACID-ESTER	0	Plant	not available	not available	not available	List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.

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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.