United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Full Report (All Nutrients):  11258, Mountain yam, hawaii, raw
Food Group: Vegetables and Vegetable Products
Scientific Name:  Dioscorea pentaphylla
Carbohydrate Factor: 3.84   Fat Factor:8.37   Protein Factor: 2.78   Nitrogen to Protein Conversion Factor: 6.25  
Refuse: 17%   Refuse Description:   Ends and skin
heading Nutrient Unit
Value per 100 g
# of Data Points Std. Error
cup, cubes 68 g

yam 420 g
Proximates Water g 81.44 4 1.745 55.38 342.05
Proximates Energy kcal 67 -- -- 46 281
Proximates Energy kJ 280 -- -- 190 1176
Proximates Protein g 1.34 1 -- 0.91 5.63
Proximates Total lipid (fat) g 0.10 1 -- 0.07 0.42
Proximates Ash g 0.82 1 -- 0.56 3.44
Proximates Carbohydrate, by difference g 16.30 -- -- 11.08 68.46
Proximates Fiber, total dietary g 2.5 -- -- 1.7 10.5
Proximates Sugars, total g 0.31 -- -- 0.21 1.30
Minerals Calcium, Ca mg 26 1 -- 18 109
Minerals Iron, Fe mg 0.44 1 -- 0.30 1.85
Minerals Magnesium, Mg mg 12 2 -- 8 50
Minerals Phosphorus, P mg 34 1 -- 23 143
Minerals Potassium, K mg 418 2 -- 284 1756
Minerals Sodium, Na mg 13 2 -- 9 55
Minerals Zinc, Zn mg 0.27 -- -- 0.18 1.13
Minerals Copper, Cu mg 0.110 -- -- 0.075 0.462
Minerals Manganese, Mn mg 0.242 -- -- 0.165 1.016
Minerals Selenium, Se µg 0.7 -- -- 0.5 2.9
Vitamins Vitamin C, total ascorbic acid mg 2.6 1 -- 1.8 10.9
Vitamins Thiamin mg 0.102 2 -- 0.069 0.428
Vitamins Riboflavin mg 0.019 2 -- 0.013 0.080
Vitamins Niacin mg 0.481 2 -- 0.327 2.020
Vitamins Pantothenic acid mg 0.433 -- -- 0.294 1.819
Vitamins Vitamin B-6 mg 0.179 -- -- 0.122 0.752
Vitamins Folate, total µg 14 -- -- 10 59
Vitamins Folic acid µg 0 -- -- 0 0
Vitamins Folate, food µg 14 -- -- 10 59
Vitamins Folate, DFE µg 14 -- -- 10 59
Vitamins Vitamin B-12 µg 0.00 -- -- 0.00 0.00
Vitamins Retinol µg 0 -- -- 0 0
Vitamins Vitamin A, IU IU 0 2 -- 0 0
Vitamins Vitamin E (alpha-tocopherol) mg 0.21 -- -- 0.14 0.88
Vitamins Vitamin D (D2 + D3) µg 0.0 -- -- 0.0 0.0
Vitamins Vitamin D IU 0 -- -- 0 0
Vitamins Vitamin K (phylloquinone) µg 1.4 -- -- 1.0 5.9
Lipids Fatty acids, total saturated g 0.022 -- -- 0.015 0.092
Lipids 16:0 g 0.020 -- -- 0.014 0.084
Lipids 18:0 g 0.002 -- -- 0.001 0.008
Lipids Fatty acids, total monounsaturated g 0.004 -- -- 0.003 0.017
Lipids 18:1 undifferentiated g 0.004 -- -- 0.003 0.017
Lipids Fatty acids, total polyunsaturated g 0.045 -- -- 0.031 0.189
Lipids 18:2 undifferentiated g 0.038 -- -- 0.026 0.160
Lipids 18:3 undifferentiated g 0.007 -- -- 0.005 0.029
Lipids Fatty acids, total trans g 0.000 -- -- 0.000 0.000
Lipids Cholesterol mg 0 -- -- 0 0
Amino Acids Tryptophan g 0.011 -- -- 0.007 0.046
Amino Acids Threonine g 0.047 -- -- 0.032 0.197
Amino Acids Isoleucine g 0.045 -- -- 0.031 0.189
Amino Acids Leucine g 0.084 -- -- 0.057 0.353
Amino Acids Lysine g 0.052 -- -- 0.035 0.218
Amino Acids Methionine g 0.018 -- -- 0.012 0.076
Amino Acids Cystine g 0.016 -- -- 0.011 0.067
Amino Acids Phenylalanine g 0.062 -- -- 0.042 0.260
Amino Acids Tyrosine g 0.035 -- -- 0.024 0.147
Amino Acids Valine g 0.054 -- -- 0.037 0.227
Amino Acids Arginine g 0.112 -- -- 0.076 0.470
Amino Acids Histidine g 0.030 -- -- 0.020 0.126
Amino Acids Alanine g 0.055 -- -- 0.037 0.231
Amino Acids Aspartic acid g 0.136 -- -- 0.092 0.571
Amino Acids Glutamic acid g 0.159 -- -- 0.108 0.668
Amino Acids Glycine g 0.046 -- -- 0.031 0.193
Amino Acids Proline g 0.048 -- -- 0.033 0.202
Amino Acids Serine g 0.071 -- -- 0.048 0.298
Other Alcohol, ethyl g 0.0 -- -- 0.0 0.0
Other Caffeine mg 0 -- -- 0 0
Other Theobromine mg 0 -- -- 0 0