An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. Hypericum perforatum

Hypericum perforatum (Clusiaceae)

Common Names
Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed
How this plant is used
Medicinal

Select a Results View:

View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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
P-HYDROXY-BENZOIC-ACID 13 Plant Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
PALMITIC-ACID 13 Plant ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
PECTIN 24 Plant List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
PERFLAVIT 0 Shoot *
PHENOL 26 Plant *
PHLOBAPHENE 0 Plant List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
PHLOROGLUCINOL 8 Plant *
PHLOROGLUCINOL 8 Shoot *
PHYTOSTEROLS 2 Plant ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
PINENE 12 Essential Oil *
PINOL 0 Plant 0.1 0.9 *
PROANTHOCYANIDINS 34 Plant 120000.0 *
PROCYANIDINS 27 Plant Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp.
PROLINE 0 Plant *
PROTEIN 0 Seed 181000.0 207000.0 -0.24 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
PROTOHYPERICIN 0 Plant *
PROTOPSEUDOHYPERICIN 0 Plant *
PROVITAMIN-A 0 Plant 130.0 ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
PSEUDOHYPERICIN 2 Cotyledon 164.9 *
PSEUDOHYPERICIN 2 Flower 2260.0 5800.0 *
View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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 *
Neuroprotective 3 *
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 *
NF-kB-Inhibitor 2 *
Nigrifacient 1 Martindale's 29th
NO-Genic 2 *
NO-Inhibitor 6 *
NO-Synthase-Inhibitor 1 *
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 *
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 *
P450-2B1-Inhibitor 3 *
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 *
Pancreatogenic 2 *