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

Dioscorea pentaphylla (Dioscoreaceae)

Common Names
Mountain Yam
How this plant is used
Food
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
LYSINE 4 Root 520.0 2800.0 -0.86 *
MAGNESIUM 65 Root 94.0 792.0 -0.94 *
METHIONINE 15 Root 180.0 970.0 -0.19 *
MUFA 13 Root 40.0 215.0 -0.87 *
NIACIN 39 Root 4.0 29.0 -0.62 *
OLEIC-ACID 18 Root 40.0 215.0 -0.62 *
PALMITIC-ACID 13 Root 200.0 1080.0 -0.35 *
PHENYLALANINE 7 Root 620.0 3340.0 0.40 *
PHOSPHORUS 4 Root 340.0 1830.0 -0.30 *
PHYTOSTEROLS 2 Root 100.0 333.0 -1.43 *
POTASSIUM 14 Root 3555.0 25350.0 0.70 *
PROLINE 0 Root 480.0 2585.0 0.42 *
PROTEIN 0 Root 13400.0 72200.0 -0.52 *
PUFA 4 Root 450.0 2425.0 -1.10 *
RIBOFLAVIN 15 Root 0.2 1.0 -0.67 *
SERINE 1 Root 710.0 3825.0 0.26 *
SFA 0 Root 220.0 1185.0 -0.66 *
SODIUM 1 Root 120.0 750.0 -0.16 *
STEARIC-ACID 8 Root 20.0 108.0 -0.63 *
THIAMIN 31 Root 1.0 7.0 0.03 *
View the list of ubiquitous chemicals
Download these results as:
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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
Immunostimulant 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Insectifuge 4 Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
Insulinase-Inhibitor 1 Economic & Medicinal Plant Research, 6: 157.
Insulinogenic 1 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
Insulinotonic 1 J. Agri. & Food Chemistry, 36: 1079.
Interferon-Synergist 1 *
Interferonogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Irritant 2 Merck 11th Edition
Laxative 3 *
Lipotropic 1 Merck 11th Edition
Lithogenic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Litholytic 1 *
Lubricant 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Metastatic 1 Science News, 146: 421.
Monoamine-Precursor 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Mucogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Mucolytic 1 Martindale's 28th
Myorelaxant 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Nematicide 2 Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
Neuroexcitant 1 Martindale's 28th