URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Mountain yam, hawaii, raw, 1 cup, cubes Protein (g) 0.91 Total lipid (fat) (g) 0.07 Carbohydrate, by difference (g) 11.09 Energy (kcal) 45.56 Calcium, Ca (mg) 17.68 Iron, Fe (mg) 0.3 Magnesium, Mg (mg) 8.16 Phosphorus, P (mg) 23.12 Potassium, K (mg) 284.24 Sodium, Na (mg) 8.84 Zinc, Zn (mg) 0.18 Copper, Cu (mg) 0.07 Manganese, Mn (mg) 0.16 Selenium, Se (mcg) 0.48 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 1.77 Thiamin (mg) 0.07 Riboflavin (mg) 0.01 Niacin (mg) 0.33 Pantothenic acid (mg) 0.29 Vitamin B-6 (mg) 0.12 Folate, total (mcg) 9.52 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 9.52 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.01 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0.03