URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/4" fat, prime, raw, 1 oz Protein (g) 5.71 Total lipid (fat) (g) 3.57 Carbohydrate, by difference (g) 0 Energy (kcal) 56.7 Fiber, total dietary (g) 0 Calcium, Ca (mg) 2.84 Iron, Fe (mg) 0.62 Magnesium, Mg (mg) 6.24 Phosphorus, P (mg) 55.57 Potassium, K (mg) 105.75 Sodium, Na (mg) 17.86 Zinc, Zn (mg) 1.32 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) 0.04 Niacin (mg) 1.06 Pantothenic acid (mg) 0.1 Vitamin B-6 (mg) 0.12 Folate, total (mcg) 1.7 Vitamin B-12 (mcg) 1.01 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.7 Cholesterol (mg) 16.73 Fatty acids, total saturated (g) 1.46 Fatty acids, total monounsaturated (g) 1.6 Fatty acids, total polyunsaturated (g) 0.12