URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, rib, whole (ribs 6-12), separable lean only, trimmed to 1/2" fat, prime, cooked, roasted, 1 piece, cooked, excluding refuse (yield from 1 lb raw meat with refuse) Protein (g) 50.07 Total lipid (fat) (g) 35.81 Carbohydrate, by difference (g) 0 Energy (kcal) 537.28 Fiber, total dietary (g) 0 Calcium, Ca (mg) 18.4 Iron, Fe (mg) 4.8 Magnesium, Mg (mg) 46 Phosphorus, P (mg) 391.92 Potassium, K (mg) 691.84 Sodium, Na (mg) 136.16 Zinc, Zn (mg) 12.77 Copper, Cu (mg) 0.18 Manganese, Mn (mg) 0.03 Selenium, Se (mcg) 41.95 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.15 Riboflavin (mg) 0.39 Niacin (mg) 7.57 Pantothenic acid (mg) 0.82 Vitamin B-6 (mg) 0.55 Folate, total (mcg) 14.72 Vitamin B-12 (mcg) 5.37 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 14.72 Cholesterol (mg) 149.04 Fatty acids, total saturated (g) 15.25 Fatty acids, total monounsaturated (g) 15.79 Fatty acids, total polyunsaturated (g) 1.07