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
PSEUDOHYPERICIN	2	Leaf	not available	not available	not available	Duke, 1992 *
PSEUDOHYPERICIN	2	Plant	not available	not available	not available	Duke, 1992 *
PSEUDOHYPERICIN	2	Shoot	not available	40.0	not available	Duke, 1992 *
PSEUDOHYPERICODIHYDROANTHRONE	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.
PYROGALLOL	23	Plant	not available	not available	not available	Duke, 1992 *
QUERCETIN	176	Flower	not available	1000.0	0.94	Duke, 1992 *
QUERCETIN	176	Leaf	not available	not available	not available	Duke, 1992 *
QUERCETIN	176	Plant	not available	20000.0	1.00	Duke, 1992 *
QUERCETIN	176	Shoot	not available	not available	not available	Duke, 1992 *
QUERCETIN	176	Stem	not available	not available	not available	Duke, 1992 *
QUERCETIN-3-O-GLUCURONIDE	0	Plant	not available	not available	not available	Duke, 1992 *
QUERCETIN-3-O-GLUCURONIDE	0	Shoot	not available	not available	not available	Duke, 1992 *
QUERCETIN-3-O-XYLOSIDE	0	Plant	not available	not available	not available	Duke, 1992 *
QUERCETIN-3-O-XYLOSIDE	0	Shoot	not available	not available	not available	Duke, 1992 *
QUERCITRIN	44	Flower	not available	3380.0	not available	Duke, 1992 *
QUERCITRIN	44	Leaf	not available	not available	not available	Duke, 1992 *
QUERCITRIN	44	Plant	not available	not available	not available	Duke, 1992 *
QUERCITRIN	44	Shoot	3000.0	5240.0	-1.00	Duke, 1992 *
RESORCYNOL	0	Plant	not available	not available	not available	Duke, 1992 *
RHODAN	0	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.

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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
Artemicide	1	Jung, J.H., Pummangura, S., Chaichantipyuth, c., Patarapanich, C., and McLaughlin, J.L. 1989. Bioactive Constituents of Melodorum fruticosum. Phytochemistry. 29(5): 1667-1670. 1990.
Arteriodilator	1	Ozaki, Y. and Ma, J-P. 1989. Inhibitory Effects of Tetramethylpyrazine and Ferulic Acid on Spontaneous Movement of Rat Uterus in Situ. Chem. Pharm. Bull. 38(6): 1620-1623, 1990.
Ascaricide	2	Duke, 1992 *
Asthma-preventive	1	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Astringent	1	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.
ATPase-Inhibitor	1	Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
Attifuge	1	CIBA (Chadwick, D.J. and Marsh, J. 1990. Bioactive Compounds from Plants. CIBA Foundation Symposium 154. John Wiley & Sons, Ltd. Chichester UK. 242 pp.
Autotoxic	1	Duke, 1992 *
Bacteriostatic	1	Chin. J. Tuber. Respir. Dis.
Bacteristat	3	Lamikanra, A., Ogundaini, A.O., and Ogungbamila*, F.O. Antibacterial Constituents of Alchornea cordifolia Leaves. Phytotherapy Research 4(5): 198.
Barbituate-Synergist	1	Duke, 1992 *
Beta-Adrenergic Receptor Blocker	4	Zhu, M., Phillipson, J. D., Greengrass, P. M., Bowery, N. E., Cai, Y. 1997. Plant Polyphenols: Biologically Active Compounds or Non-Selective Binders to Protein? Phytochemistry, 44(3): 441-447.
Beta-Glucuronidase-Inhibitor	4	Duke, 1992 *
Bradycardiac	1	Huang, K. C. 1993. The Pharmacology of Chinese Herbs. CRC Press, Boca Raton, FL 388 pp.
Bronchodilator	1	Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Bronchoprotectant	1	Duke, 1992 *
Bronchorelaxant	2	Huang, K. C. 1993. The Pharmacology of Chinese Herbs. CRC Press, Boca Raton, FL 388 pp.
Calcium-Antagonist	5	Duke, 1992 *
Calmodulin-Antagonist	1	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
cAMP-Inhibitor	1	Schussler, M., Fricke, U., Nikolov, N., and Holzl, J. 1991. Comparison of the Flavonoids Occurring in Crataegus species and Inhibition of 3',5'-Cyclic Adenosine Monophosphate Phosphodiesterase. Plant Medica 57: Suppl Issue 2. p.A-133.