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

Plant Dioscorea villosa (Dioscoreaceae)

Common Names
Wild Yam
How this plant is used
Medicinal

Select a Results View:

View the list of ubiquitous chemicals
Download these results as:
CSV
XLSX
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
ALUMINUM 5 Root 50.0 210.0 -0.20 *
ASCORBIC-ACID 112 Rhizome 149.0 -0.56 *
ASCORBIC-ACID 112 Root 110.0 460.0 -0.38 *
ASH 0 Root 19680.0 82000.0 0.41 *
BETA-CAROTENE 53 Root 7.0 29.0 -0.25 *
BETA-SITOSTEROL 47 Root 70.0 700.0 -0.26 Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
CALCIUM 28 Root 734.0 3060.0 -0.48 *
CAMPESTEROL 2 Root 20.0 200.0 1.28 Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
CARBOHYDRATES 0 Root 215280.0 897000.0 0.86 *
CHROMIUM 24 Root 0.6 2.6 -0.04 *
COBALT 2 Root 3.5 14.7 -0.23 *
DIOSGENIN 7 Plant *
DIOSGENIN 7 Tissue Culture *
DIOSGENIN 7 Tuber 23000.0 1.00 *
FAT 0 Root 1440.0 6000.0 -0.56 *
FIBER(CRUDE) 0 Root 130000.0 0.55 *
FIBER(DIETARY) 0 Root 360000.0 -0.42 *
IRON 6 Root 7.0 31.0 -0.40 *
MAGNESIUM 65 Root 391.0 1630.0 -0.50 *
MANGANESE 14 Root 1.5 6.4 -0.47 *
View the list of ubiquitous chemicals
Download these results as:
CSV
XLSX
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
Absorbent 1 (View) Martindale's 29th
ACE-Inhibitor 1 (View) *
Acidulant 1 (View) Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Aldose-Reductase-Inhibitor 1 (View) 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
Allergenic 2 (View) *
Amphiglycemic? 1 (View) Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Analgesic 3 (View) *
Androgenic 1 (View) *
Androgenic? 1 (View) Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Angiogenic 1 (View) *
Angiotensin-Receptor-Blocker 2 (View) *
Anorexic 2 (View) Martindale's 28th
Antiacne 5 (View) Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Antiacrodermatitic 1 (View) Martindale's 29th
Antiacrodynic 1 (View) *
Antiadenomic 1 (View) Merck 11th Edition
AntiAGE 2 (View) 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
Antiaggregant 3 (View) *
Antiaging 3 (View) *
Antiakathisic 1 (View) Martindale's 29th