URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Butterbur, canned, 1 stalks Protein (g) 0.05 Total lipid (fat) (g) 0.06 Carbohydrate, by difference (g) 0.17 Energy (kcal) 1.35 Calcium, Ca (mg) 15.3 Iron, Fe (mg) 0.28 Magnesium, Mg (mg) 0.9 Phosphorus, P (mg) 1.8 Potassium, K (mg) 5.4 Sodium, Na (mg) 1.8 Zinc, Zn (mg) 0.03 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0.04 Selenium, Se (mcg) 0.4 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 5.36 Thiamin (mg) 0 Riboflavin (mg) 0 Niacin (mg) 0.06 Pantothenic acid (mg) 0 Vitamin B-6 (mg) 0.01 Folate, total (mcg) 1.35 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.35 Cholesterol (mg) 0