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
(-)-Chronotropic	2	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	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	Duke, 1992 *
5-Alpha-Reductase-Inhibitor	2	Duke, 1992 *
5-HT-Inhibitor	1	Duke, 1992 *
5-Lipoxygenase-Inhibitor	3	Duke, 1992 *
Abortifacient	1	Duke, 1992 *
Acaricide	4	Duke, 1992 *
ACE-Inhibitor	12	Duke, 1992 *
AChE-Inhibitor	1	Grundy, D. L. and Still, C. C., Inhibition of acetylcholinesterases by pulegone-1,2-epoxide, Oest. Biochem. & Physiol., 23, 1985, 383-8.
Acidulant	1	Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Aldehyde-Oxidase-Inhibitor	2	Duke, 1992 *
Aldose-Reductase-Inhibitor	23	Duke, 1992 *
Allelochemic	13	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	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	Duke, 1992 *
Anabolic	1	Duke, 1992 *
Analeptic	1	Duke, 1992 *
Analgesic	17	Duke, 1992 *
Androgenic	1	Duke, 1992 *