URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Onions, sweet, raw, 1 NLEA serving Protein (g) 1.18 Total lipid (fat) (g) 0.12 Carbohydrate, by difference (g) 11.17 Energy (kcal) 47.36 Sugars, total (g) 7.43 Fiber, total dietary (g) 1.33 Calcium, Ca (mg) 29.6 Iron, Fe (mg) 0.38 Magnesium, Mg (mg) 13.32 Phosphorus, P (mg) 39.96 Potassium, K (mg) 176.12 Sodium, Na (mg) 11.84 Zinc, Zn (mg) 0.19 Copper, Cu (mg) 0.08 Manganese, Mn (mg) 0.11 Selenium, Se (mcg) 0.74 Vitamin A, IU (IU) 1.48 Carotene, beta (mcg) 1.48 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.03 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 8.88 Vitamin C, total ascorbic acid (mg) 7.1 Thiamin (mg) 0.06 Riboflavin (mg) 0.03 Niacin (mg) 0.2 Pantothenic acid (mg) 0.15 Vitamin B-6 (mg) 0.19 Folate, total (mcg) 34.04 Vitamin K (phylloquinone) (mcg) 0.44 Cholesterol (mg) 0