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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

Plant Dioscorea alata (Dioscoreaceae)

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

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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 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
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
Acarifuge 1 (View) *
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
Allelopathic 1 (View) Holappa, L.D., and Blum*, U. 1991. Effects of Exogenously Applied Ferulic Acid, a Potential Allelopathic Compound, on Leaf Growth, Water Utilization, and Endogenous Abscisic Acid Levels of Tomato, Cucumber, and Bean. J. of Chemical Ecology, 17(5): 865.
Allergenic 2 (View) *
Analgesic 4 (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).
Angiotensin-Receptor-Blocker 3 (View) *
Antiacne 3 (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) *
AntiAGE 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
Antiaggregant 3 (View) Ozaki, Y. and Ma, J-P. 1989. Inhibitory Effects of Tetramethylpyrazine and Ferulic Acid on Spontaneous Movement of Rat Uterus in Situ. Chem. Pharm. Bull. 38(6): 1620-1623, 1990.
Antiaging 2 (View) *
Antiakathisic 1 (View) Martindale's 29th
Antialcoholic 4 (View) Forest H. Nielsen, USDA, Grand Forks, various publications.
Antiallergic 4 (View) *