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.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. Dioscorea alata

Dioscorea alata (Dioscoreaceae)

Common Names
Greater Yam; Winged Yam
How this plant is used
Food

Select a Results View:

View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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 1.0 12.0 -0.31 *
ASCORBIC-ACID 112 Root 100.0 -0.59 *
ASH 0 Root 7000.0 35045.0 -0.93 *
BETA-CAROTENE 53 Root 0.0 0.2 -0.44 *
BORON 4 Root 0.8 7.0 -0.63 *
CALCIUM 28 Root 44.0 290.0 -0.78 *
CITRATES 0 Root 1270.0 5935.0 -0.68 *
COPPER 12 Root 0.5 10.7 -0.11 *
CYANIDIN-3-GENTIOBIOSIDE 0 Plant *
CYANIDIN-GLYCOSIDE 0 Bulb *
FAT 0 Root 300.0 5700.0 -0.57 *
FERULIC-ACID 61 Plant *
FIBER 15 Root 6000.0 55600.0 -0.72 *
IRON 6 Root 1.4 25.0 -0.41 *
KILOCALORIES 0 Root 619.0 3005.0 -0.80 *
MAGNESIUM 65 Root 66.0 827.0 -0.92 *
MALATES 0 Root 870.0 5750.0 -0.83 *
MANGANESE 14 Plant *
NIACIN 39 Root 0.7 17.0 -0.96 *
OXALATE 0 Root 150.0 700.0 -0.73 *
View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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
Fibrinolytic 1 *
Fistula-Preventive 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Fungicide 1 Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
Gastroprotective 1 *
Hepatoprotective 2 *
Hepatotoxic 1 *
Hepatotropic 1 *
Herbicide 1 Angewandte Botanik 68(5/6)=1994. Page 195.
Hydrocholerectic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Hypertensive 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Hypocholesterolemic 6 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Hypoglycemic 3 *
Hypolipidemic 2 *
Hypotensive 6 *
Hypouricemic 1 *
Immunomodulator 4 *
Immunostimulant 5 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Immunosuppressant 1 Martindale's 29th
Insectifuge 2 Tunon, H., Thorsell, W., and Bohlin, L. 1993. Mosquito Repelling Activity of Compounds Occurring in Achillea millefolium L. (Asteraceae). Economic Botany 48(2): 111-120, 1994.
Insulinogenic 2 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