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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
PHOSPHORUS 4 Root 48.0 2190.0 -0.23 *
POTASSIUM 14 Root 2240.0 15040.0 -0.05 *
PROTEIN 0 Root 11000.0 63085.0 -0.62 *
RIBOFLAVIN 15 Root 0.2 1.1 -0.65 *
SODIUM 1 Root 22.0 335.0 -0.36 *
STARCH 5 Root 159000.0 743000.0 1.79 *
SUCINATES 0 Root *
SUGARS 0 Root 5000.0 35980.0 -0.66 *
SULFUR 14 Root 98.0 990.0 -0.51 *
THIAMIN 31 Root 0.3 1.4 -0.47 *
WATER 0 Root 650000.0 786000.0 0.11 *
ZINC 77 Root 2.0 17.0 -0.31 *
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) *