URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Swamp cabbage, cooked, boiled, drained, with salt, 1 cup, chopped Protein (g) 2.04 Total lipid (fat) (g) 0.24 Carbohydrate, by difference (g) 3.64 Energy (kcal) 19.6 Fiber, total dietary (g) 1.86 Calcium, Ca (mg) 52.92 Iron, Fe (mg) 1.29 Magnesium, Mg (mg) 29.4 Phosphorus, P (mg) 41.16 Potassium, K (mg) 278.32 Sodium, Na (mg) 350.84 Zinc, Zn (mg) 0.16 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0.14 Selenium, Se (mcg) 0.88 Vitamin A, IU (IU) 5096 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 15.68 Thiamin (mg) 0.05 Riboflavin (mg) 0.08 Niacin (mg) 0.49 Pantothenic acid (mg) 0.12 Vitamin B-6 (mg) 0.08 Folate, total (mcg) 34.3 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 34.3 Cholesterol (mg) 0