URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, round, full cut, separable lean only, trimmed to 1/4" fat, select, raw, 1 oz Protein (g) 6.25 Total lipid (fat) (g) 0.99 Carbohydrate, by difference (g) 0 Energy (kcal) 35.72 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.13 Iron, Fe (mg) 0.61 Magnesium, Mg (mg) 7.09 Phosphorus, P (mg) 60.95 Potassium, K (mg) 106.31 Sodium, Na (mg) 16.16 Zinc, Zn (mg) 1 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 5.9 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.03 Riboflavin (mg) 0.05 Niacin (mg) 1.14 Pantothenic acid (mg) 0.11 Vitamin B-6 (mg) 0.14 Folate, total (mcg) 2.55 Vitamin B-12 (mcg) 0.84 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 2.55 Cholesterol (mg) 16.44 Fatty acids, total saturated (g) 0.34 Fatty acids, total monounsaturated (g) 0.42 Fatty acids, total polyunsaturated (g) 0.04