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

Common Names

Greater Yam; Winged Yam

How this plant is used

Food

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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	Duke, 1992 *
ASCORBIC-ACID	112	Root	not available	100.0	-0.59	Duke, 1992 *
ASH	0	Root	7000.0	35045.0	-0.93	Duke, 1992 *
BETA-CAROTENE	53	Root	0.0	0.2	-0.44	Duke, 1992 *
BORON	4	Root	0.8	7.0	-0.63	Duke, 1992 *
CALCIUM	28	Root	44.0	290.0	-0.78	Duke, 1992 *
CITRATES	0	Root	1270.0	5935.0	-0.68	Duke, 1992 *
COPPER	12	Root	0.5	10.7	-0.11	Duke, 1992 *
CYANIDIN-3-GENTIOBIOSIDE	0	Plant	not available	not available	not available	Duke, 1992 *
CYANIDIN-GLYCOSIDE	0	Bulb	not available	not available	not available	Duke, 1992 *
FAT	0	Root	300.0	5700.0	-0.57	Duke, 1992 *
FERULIC-ACID	61	Plant	not available	not available	not available	Duke, 1992 *
FIBER	15	Root	6000.0	55600.0	-0.72	Duke, 1992 *
IRON	6	Root	1.4	25.0	-0.41	Duke, 1992 *
KILOCALORIES	0	Root	619.0	3005.0	-0.80	Duke, 1992 *
MAGNESIUM	65	Root	66.0	827.0	-0.92	Duke, 1992 *
MALATES	0	Root	870.0	5750.0	-0.83	Duke, 1992 *
MANGANESE	14	Plant	not available	not available	not available	Duke, 1992 *
NIACIN	39	Root	0.7	17.0	-0.96	Duke, 1992 *
OXALATE	0	Root	150.0	700.0	-0.73	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
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).
Keratolytic	1	Martindale's 29th
Laxative	4	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 *
Metal-Chelator	1	McEvily, A.J., Iyengar, R., and Gross, A.T. Inhibition of Polyphenol Oxidase by Phenolic Compounds. Phenolic Compounds in Food and Their Effects on Health, Ch.25.
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.
Neuroprotective	1	Duke, 1992 *
Neurotransmitter	1	Duke, 1992 *
NF-kB-Inhibitor	1	Duke, 1992 *
Ornithine-Decarboxylase-Inhibitor	1	Hagerman, A.E. Tannin-Protein Interactions. Phenolic Compounds in Food and Their Effects on Health, Ch.19.
Osteogenic	1	Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Parasiticide	1	Martindale's 29th
Pesticide	6	Duke, 1992 *
Phagocytotic	2	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Poultice	1	Martindale's 29th