Plant Dioscorea villosa (Dioscoreaceae) | Dr. Duke's Phytochemical and Ethnobotanical Databases

Common Names

Wild Yam

How this plant is used

Medicinal

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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
MUCILAGE	3	Root	36000.0	150000.0	0.02	Duke, 1992 *
NIACIN	39	Root	2.4	10.0	-1.17	Duke, 1992 *
PHOSPHORUS	4	Root	415.0	1730.0	-0.31	Duke, 1992 *
PHYTOSTEROLS	2	Root	100.0	1000.0	0.24	Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
POTASSIUM	14	Root	1301.0	5420.0	-0.76	Duke, 1992 *
PROTEIN	0	Root	14640.0	61000.0	-0.64	Duke, 1992 *
RIBOFLAVIN	15	Root	0.1	0.6	-0.76	Duke, 1992 *
SAPOGENINS	0	Tuber	not available	13000.0	not available	Duke, 1992 *
SELENIUM	60	Root	0.2	0.8	-0.31	Duke, 1992 *
SILICON	4	Root	not available	not available	not available	Duke, 1992 *
SODIUM	1	Root	425.0	1770.0	0.31	Duke, 1992 *
STARCH	5	Root	48000.0	200000.0	-0.48	Duke, 1992 *
STIGMASTEROL	12	Root	10.0	100.0	-0.24	Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
THIAMINE	0	Root	0.3	1.1	-0.64	Duke, 1992 *
TIN	4	Root	4.6	19.0	0.26	Duke, 1992 *
WATER	0	Root	not available	760000.0	-0.06	Duke, 1992 *
ZINC	77	Root	1.3	5.6	-0.81	Duke, 1992 *

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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
Immunomodulator	5	Duke, 1992 *
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
Insulinogenic	3	Duke, 1992 *
Interferon-Synergist	1	Duke, 1992 *
Interferonogenic	1	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Laxative	2	Duke, 1992 *
Leptingenic	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
Lithogenic	1	Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Litholytic	1	Duke, 1992 *
Mastogenic	1	Duke, 1992 *
Memorigenic	1	Duke, 1992 *
Mucogenic	2	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.
Neurotransmitter	1	Duke, 1992 *
NF-kB-Inhibitor	2	Duke, 1992 *
Ornithine-Decarboxylase-Inhibitor	1	Duke, 1992 *
Osteogenic	1	Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Ovulant	1	Duke, 1992 *