URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Grapefruit, sections, canned, juice pack, solids and liquids, 1 cup Protein (g) 1.74 Total lipid (fat) (g) 0.22 Carbohydrate, by difference (g) 22.93 Energy (kcal) 92.13 Sugars, total (g) 21.91 Fiber, total dietary (g) 1 Calcium, Ca (mg) 37.35 Iron, Fe (mg) 0.52 Magnesium, Mg (mg) 27.39 Phosphorus, P (mg) 29.88 Potassium, K (mg) 420.81 Sodium, Na (mg) 17.43 Zinc, Zn (mg) 0.2 Copper, Cu (mg) 0.09 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 2.24 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.22 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 84.41 Thiamin (mg) 0.07 Riboflavin (mg) 0.04 Niacin (mg) 0.62 Pantothenic acid (mg) 0.3 Vitamin B-6 (mg) 0.05 Folate, total (mcg) 22.41 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 22.41 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.03 Fatty acids, total monounsaturated (g) 0.03 Fatty acids, total polyunsaturated (g) 0.05