URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Butterbur, canned, 1 cup, chopped Protein (g) 0.14 Total lipid (fat) (g) 0.16 Carbohydrate, by difference (g) 0.47 Energy (kcal) 3.72 Calcium, Ca (mg) 42.16 Iron, Fe (mg) 0.78 Magnesium, Mg (mg) 2.48 Phosphorus, P (mg) 4.96 Potassium, K (mg) 14.88 Sodium, Na (mg) 4.96 Zinc, Zn (mg) 0.07 Copper, Cu (mg) 0.05 Manganese, Mn (mg) 0.12 Selenium, Se (mcg) 1.12 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 14.76 Thiamin (mg) 0.01 Riboflavin (mg) 0.01 Niacin (mg) 0.17 Pantothenic acid (mg) 0.01 Vitamin B-6 (mg) 0.04 Folate, total (mcg) 3.72 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 3.72 Cholesterol (mg) 0