URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, rib, whole (ribs 6-12), separable lean only, trimmed to 1/4" fat, all grades, raw, 1 oz Protein (g) 5.62 Total lipid (fat) (g) 2.36 Carbohydrate, by difference (g) 0 Energy (kcal) 45.36 Fiber, total dietary (g) 0 Calcium, Ca (mg) 2.27 Iron, Fe (mg) 0.61 Magnesium, Mg (mg) 5.95 Phosphorus, P (mg) 54.15 Potassium, K (mg) 100.08 Sodium, Na (mg) 18.43 Zinc, Zn (mg) 1.36 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 4.85 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) 0.95 Pantothenic acid (mg) 0.11 Vitamin B-6 (mg) 0.1 Folate, total (mcg) 1.7 Vitamin B-12 (mcg) 0.95 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.7 Cholesterol (mg) 16.73 Fatty acids, total saturated (g) 0.95 Fatty acids, total monounsaturated (g) 0.97 Fatty acids, total polyunsaturated (g) 0.09