URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, short loin, top loin, separable lean and fat, trimmed to 1/4" fat, all grades, raw, 1 steak, excluding refuse (yield from 1 raw steak, with refuse, weighing 261 g) Protein (g) 45.22 Total lipid (fat) (g) 42.65 Carbohydrate, by difference (g) 0 Energy (kcal) 578.34 Fiber, total dietary (g) 0 Calcium, Ca (mg) 14.28 Iron, Fe (mg) 3.76 Magnesium, Mg (mg) 42.84 Phosphorus, P (mg) 387.94 Potassium, K (mg) 702.1 Sodium, Na (mg) 126.14 Zinc, Zn (mg) 7.47 Copper, Cu (mg) 0.16 Manganese, Mn (mg) 0.03 Selenium, Se (mcg) 39.98 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.21 Riboflavin (mg) 0.33 Niacin (mg) 9.23 Pantothenic acid (mg) 0.76 Vitamin B-6 (mg) 0.93 Folate, total (mcg) 14.28 Vitamin B-12 (mcg) 6.54 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 14.28 Cholesterol (mg) 159.46 Fatty acids, total saturated (g) 17.35 Fatty acids, total monounsaturated (g) 18.52 Fatty acids, total polyunsaturated (g) 1.52