URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, round, top round, separable lean and fat, trimmed to 1/4" fat, prime, raw, 1 oz Protein (g) 6.25 Total lipid (fat) (g) 2.68 Carbohydrate, by difference (g) 0 Energy (kcal) 51.03 Fiber, total dietary (g) 0 Calcium, Ca (mg) 0.85 Iron, Fe (mg) 0.57 Magnesium, Mg (mg) 6.8 Phosphorus, P (mg) 59.82 Potassium, K (mg) 104.04 Sodium, Na (mg) 14.46 Zinc, Zn (mg) 0.79 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 5.76 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) 1.2 Pantothenic acid (mg) 0.1 Vitamin B-6 (mg) 0.14 Folate, total (mcg) 2.55 Vitamin B-12 (mcg) 0.79 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 2.55 Cholesterol (mg) 16.73 Fatty acids, total saturated (g) 1.03 Fatty acids, total monounsaturated (g) 1.12 Fatty acids, total polyunsaturated (g) 0.11