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.

Plant Harpagophytum procumbens (Pedaliaceae)

Common Names
Devil's Claw; Grapple Plant
How this plant is used
Medicinal
View the list of ubiquitous chemicals
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
GALACTOSE 1 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.
GALACTOSE 1 Root not available 3600.0 -1.00 Duke, 1992 *
GLUCOSE 7 Root not available 2500.0 -0.95 Duke, 1992 *
GLUCOSE 7 Tuber not available not available not available Duke, 1992 *
GLUTAMIC-ACID 8 Root not available not available not available Duke, 1992 *
GLYCINE 12 Root not available not available not available Duke, 1992 *
HARPAGIDE 6 Root not available 546.7 not available Duke, 1992 *
HARPAGIDE 6 Tuber not available not available not available Duke, 1992 *
HARPAGOGENIN 0 Plant not available not available not available Lawrence Review of Natural Products, Jul-87.
HARPAGOGENIN 0 Tuber not available not available not available Duke, 1992 *
HARPAGOQUINONE 0 Root not available not available not available Abstract (See species file)
HARPAGOQUINONE 0 Tuber not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Flower not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Fruit not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Leaf not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Root 1000.0 30000.0 not available Duke, 1992 *
HARPAGOSIDE 6 Stem not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Tissue Culture not available not available not available Duke, 1992 *
HARPAGOSIDE 6 Tuber not available not available not available Duke, 1992 *
HARPAQUINONE 0 Root not available not available not available Duke, 1992 *
View the list of ubiquitous chemicals
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
Litholytic 1 Duke, 1992 *
Lubricant 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Lyase-Inhibitor 1 Duke, 1992 *
MAO-Inhibitor 1 Duke, 1992 *
MAPK-Inhibitor 1 Duke, 1992 *
Memorigenic 1 Duke, 1992 *
Memory-Enhancer 1 Science News, 138: 189, 1990.
Metal-Chelator 2 McEvily, A.J., Iyengar, R., and Gross, A.T. Inhibition of Polyphenol Oxidase by Phenolic Compounds. Phenolic Compounds in Food and Their Effects on Health, Ch.25.
Metalloproteinase-Inhibitor 1 Duke, 1992 *
Metastatic 1 Science News, 146: 421.
MMP-9-Inhibitor 2 Duke, 1992 *
Monoamine-Precursor 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Mucogenic 2 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Mucolytic 1 Martindale's 28th
Mutagenic 1 Duke, 1992 *
Myorelaxant 2 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Natriuretic 1 Duke, 1992 *
Nematicide 2 Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
Neoplastic 1 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
NEP-Inhibitor 1 Duke, 1992 *