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
PHOSPHORUS 4 Pericarp 128.0 1070.0 not available Duke, 1992 *
PHOSPHORUS 4 Seed 4475.0 5880.0 0.14 Duke, 1992 *
PHYTATE 0 Seed 19770.0 20400.0 1.01 Duke, 1992 *
PHYTOSTEROLS 2 Seed 1080.0 1100.0 -0.35 Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
PLUMBAGIN 42 Fruit not available not available not available Duke, 1992 *
POTASSIUM 14 Fruit not available 14900.0 -0.27 Duke, 1992 *
POTASSIUM 14 Hull Husk not available 14900.0 not available Duke, 1992 *
POTASSIUM 14 Pericarp 1788.0 14900.0 not available Duke, 1992 *
POTASSIUM 14 Seed 4600.0 5670.0 -0.61 Duke, 1992 *
PROLINE 0 Seed 9370.0 9800.0 -0.30 USDA's Ag Handbook 8 and sequelae)
PROTEIN 0 Fruit not available 98000.0 -0.15 Duke, 1992 *
PROTEIN 0 Pericarp 11760.0 98000.0 not available Duke, 1992 *
PROTEIN 0 Seed 205000.0 257485.0 0.21 Duke, 1992 *
PROTEINS 0 Seed not available not available not available Duke, 1992 *
PROTOCATECHUIC-ACID 43 Seed not available not available not available Duke, 1992 *
PUFA 4 Seed 374920.0 392010.0 2.18 USDA's Ag Handbook 8 and sequelae)
QUERCETIN 176 Leaf not available not available not available Duke, 1992 *
QUERCETIN-3-O-GLUCOSYLGALACTOSIDE 0 Pollen Or Spore not available not available not available Duke, 1992 *
RIBOFLAVIN 15 Fruit not available 1.0 -0.86 Duke, 1992 *
RIBOFLAVIN 15 Pericarp 0.1 1.0 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
Larvicide 1 Berenbaum, M. R., The natives knew, Chemtech, (May), 1990, 275-279.
Larvistat 2 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.
Laxative 5 Duke, 1992 *
Leptingenic 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
Leukotriene-Inhibitor 1 Duke, 1992 *
Lipolytic 1 Duke, 1992 *
Lipotropic 1 Merck 11th Edition
Lipoxygenase-Inhibitor 4 Oszmianski, J. and Lee, C.Y. 1990. Inhibitory Effect of Phenolics on Carotene Bleaching in Vegetables. J. Agric. Food Chem. 38: 688-690.
Lithogenic 2 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
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-A-Inhibitor 1 Duke, 1992 *
MAO-Inhibitor 1 Duke, 1992 *
Mast-Cell-Stabilizer 1 Duke, 1992 *
Memorigenic 1 Duke, 1992 *
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.
Metal-Chelator (Copper) 1 Seidel, V., Verholle, M., Malard, Y., Tillequin, F., Fruchart, J-C., Duriez, P., Bailleul, F., Teissier, E. 2000. Phenylpropanoids from Ballota nigra L. Inhibit in vitro LDL Peroxidation. Phytotherapy Research, 14(2): 93-98.
Metalloproteinase-Inhibitor 1 Duke, 1992 *
Metastatic 1 Science News, 146: 421.