URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, plate, outside skirt steak, separable lean and fat, trimmed to 1/4" fat, all grades, raw, 1 oz Protein (g) 5.31 Total lipid (fat) (g) 3.89 Carbohydrate, by difference (g) 0 Energy (kcal) 57.83 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 2.55 Iron, Fe (mg) 0.63 Magnesium, Mg (mg) 5.39 Phosphorus, P (mg) 55.28 Potassium, K (mg) 102.34 Sodium, Na (mg) 18.99 Zinc, Zn (mg) 1.32 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 4.37 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.02 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.03 Riboflavin (mg) 0.04 Niacin (mg) 0.95 Pantothenic acid (mg) 0 Vitamin B-6 (mg) 0.11 Folate, total (mcg) 1.7 Vitamin B-12 (mcg) 0.94 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.7 Cholesterol (mg) 15.03 Fatty acids, total saturated (g) 1.55 Fatty acids, total monounsaturated (g) 1.91 Fatty acids, total polyunsaturated (g) 0.16