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 pentaphylla

Dioscorea pentaphylla (Dioscoreaceae)

Common Names
Mountain Yam
How this plant is used
Food
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
ALANINE 3 Root 550.0 2965.0 -0.23 *
ARGININE 14 Root 1120.0 6035.0 -0.24 *
ASCORBIC-ACID 112 Root 26.0 140.0 -0.57 *
ASH 0 Root 8200.0 44180.0 -0.67 *
ASPARTIC-ACID 3 Root 1360.0 7330.0 -0.34 *
BETA-CAROTENE 53 Root *
CALCIUM 28 Root 260.0 1400.0 -0.66 *
CARBOHYDRATES 0 Root 163100.0 878770.0 0.63 *
CYSTINE 2 Root 160.0 860.0 -0.03 *
FAT 0 Root 1000.0 5390.0 -0.58 *
FIBER 15 Root 4500.0 24245.0 -1.42 *
GLUTAMIC-ACID 8 Root 1590.0 8565.0 -0.56 *
GLYCINE 12 Root 460.0 2480.0 -0.23 *
HISTIDINE 7 Root 300.0 1615.0 -0.17 *
IRON 6 Root 4.0 24.0 -0.41 *
ISOLEUCINE 3 Root 450.0 2425.0 -0.54 *
KILOCALORIES 0 Root 670.0 3610.0 0.54 *
LEUCINE 2 Root 840.0 4525.0 0.10 *
LINOLEIC-ACID 27 Root 380.0 2050.0 -0.40 *
LINOLENIC-ACID 0 Root 70.0 375.0 -1.00 *
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
Neuroinhibitor 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Neuroprotective 1 *
Neurotoxic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Neurotransmitter 1 *
NO-Genic 1 *
Osteogenic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Oxidant 2 Larson, R.A. 1987. Review Article Number 30. The Antioxidants of Higher Plants. Phytochemistry. 27: 969-978.
Percutaneostimulant 2 Seki, T., Toeda, C., Kawaguchi, T., Juni, K., Sugibayashi, K., and Morimoto, Y. 1990. Enhanced Transdermal Delivery of Zidovudine in Rats and Human Skin. Chem. Pharm. Bull. 38(11): 3086-3089, 1990.
Perfumery 3 Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Pesticide 3 *
Phagocytotic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Pituitary-Stimulant 1 *
Prolactinogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Prooxidant 2 *
Propecic 4 *
Roborant 1 Merck 11th Edition
Sedative 2 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Serotoninergic 2 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Soap 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Spermigenic 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.