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 Juglans nigra (Juglandaceae)

Common Names
Black Walnut
How this plant is used
Food
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
TIN 4 Seed not available 1.7 -0.41 Furr, A.K., et al. 1979
TITANIUM 0 Seed not available 2.9 -0.55 Furr, A.K., et al. 1979
TRYPTOPHAN 29 Seed 3220.0 3365.0 0.01 USDA's Ag Handbook 8 and sequelae)
TUNGSTEN 0 Seed not available 0.1 0.01 Furr, A.K., et al. 1979
TYROSINE 8 Seed 7490.0 7830.0 0.02 USDA's Ag Handbook 8 and sequelae)
URANIUM 1 Seed not available 0.0 1.41 Furr, A.K., et al. 1979
VALINE 3 Seed 12860.0 13445.0 0.18 USDA's Ag Handbook 8 and sequelae)
VANADIUM 16 Seed not available 0.0 -0.56 Furr, A.K., et al. 1979
VANILLIC-ACID 24 Seed not available not available not available Duke, 1992 *
WATER 0 Fruit not available 876000.0 0.46 Duke, 1992 *
WATER 0 Pericarp not available 880000.0 not available Duke, 1992 *
WATER 0 Seed 31000.0 43600.0 -0.71 Duke, 1992 *
YTTERBIUM 0 Seed not available 0.1 -0.28 Furr, A.K., et al. 1979
ZINC 77 Fruit not available not available not available Duke, 1992 *
ZINC 77 Hull Husk not available not available not available Duke, 1992 *
ZINC 77 Pericarp not available not available not available Duke, 1992 *
ZINC 77 Seed not available 46.0 0.02 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
Contraceptive 1 Martindale's 28th
Copper-Antagonist 1 Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000.
Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95
Copper-Chelator 1 Duke, 1992 *
Cosmetic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Counterirritant 1 Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
COX-1-Inhibitor 2 Duke, 1992 *
COX-2-Inhibitor 4 Duke, 1992 *
Culicide 1 Duke, 1992 *
Cyclooxygenase-Inhibitor 6 Duke, 1992 *
Cytochrome-P450-1A2-Inhibitor 1 Duke, 1992 *
Cytoprotective 1 Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
Cytotoxic 5 Advance in Chinese Medicinal Materials Research. 1985. Eds. H. M. Chang, H. W. Yeung, W. -W. Tso and A. Koo. World Scientific Publishing Co., Philadelphia Pa., page 359.
Deiodinase-Inhibitor 2 Jim Duke's personal files.
Dentifrice 1 Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Deodorant 2 Martindale's 28th
Depressant 1 Cooper-Driver, G. A., Chemical substances in plants toxic to animals, pp. 213-47 in Rechcigl, M., Jr., ed. CRC Handbook of Naturally Occurring Food Toxicants, CRC Press, Boca Raton, 1983, 339 pp.
Dermatitigenic 4 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Detoxicant 3 Duke, 1992 *
Detoxicant (Alcohol) 1 Duke, 1992 *
Diaphoretic 1 Duke, 1992 *