URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled, 1 oz Protein (g) 19.98 Total lipid (fat) (g) 18.56 Carbohydrate, by difference (g) 0 Energy (kcal) 252.45 Fiber, total dietary (g) 0 Calcium, Ca (mg) 6.8 Iron, Fe (mg) 2.33 Magnesium, Mg (mg) 19.55 Phosphorus, P (mg) 158.95 Potassium, K (mg) 272.85 Sodium, Na (mg) 54.4 Zinc, Zn (mg) 3.89 Copper, Cu (mg) 0.11 Manganese, Mn (mg) 0.01 Selenium, Se (mcg) 19.38 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.08 Riboflavin (mg) 0.19 Niacin (mg) 3.46 Pantothenic acid (mg) 0.26 Vitamin B-6 (mg) 0.3 Folate, total (mcg) 5.95 Vitamin B-12 (mcg) 1.83 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 5.95 Cholesterol (mg) 60.35 Fatty acids, total saturated (g) 7.16 Fatty acids, total monounsaturated (g) 8.15 Fatty acids, total polyunsaturated (g) 0.7