URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, top sirloin, separable lean only, trimmed to 1/8" fat, select, raw, 1 oz Protein (g) 6.31 Total lipid (fat) (g) 1 Carbohydrate, by difference (g) 0 Energy (kcal) 36 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 6.24 Iron, Fe (mg) 0.46 Magnesium, Mg (mg) 6.52 Phosphorus, P (mg) 59.82 Potassium, K (mg) 101.21 Sodium, Na (mg) 15.88 Zinc, Zn (mg) 1.13 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 8.73 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.08 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.02 Riboflavin (mg) 0.03 Niacin (mg) 1.83 Pantothenic acid (mg) 0.19 Vitamin B-6 (mg) 0.18 Folate, total (mcg) 3.69 Vitamin B-12 (mcg) 0.27 Vitamin K (phylloquinone) (mcg) 0.31 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 3.69 Cholesterol (mg) 10.21 Fatty acids, total saturated (g) 0.37 Fatty acids, total monounsaturated (g) 0.4 Fatty acids, total polyunsaturated (g) 0.04