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

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View the list of ubiquitous chemicals
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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