URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Onions, young green, tops only, 1 stalk Protein (g) 0.22 Total lipid (fat) (g) 0.01 Carbohydrate, by difference (g) 0.68 Energy (kcal) 3 Sugars, total (g) 0.25 Fiber, total dietary (g) 0.42 Calcium, Ca (mg) 7.32 Iron, Fe (mg) 0.23 Magnesium, Mg (mg) 2.4 Phosphorus, P (mg) 3.96 Potassium, K (mg) 31.2 Sodium, Na (mg) 0.48 Zinc, Zn (mg) 0.05 Copper, Cu (mg) 0.01 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 0.06 Vitamin A, IU (IU) 480 Retinol (mcg) 0 Carotene, beta (mcg) 288 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.03 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 109.92 Vitamin C, total ascorbic acid (mg) 5.47 Thiamin (mg) 0.01 Riboflavin (mg) 0.02 Niacin (mg) 0.02 Pantothenic acid (mg) 0.01 Vitamin B-6 (mg) 0.01 Folate, total (mcg) 1.68 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 2.72 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.68 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0