URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Roselle, raw, 1 cup, without refuse Protein (g) 0.55 Total lipid (fat) (g) 0.36 Carbohydrate, by difference (g) 6.45 Energy (kcal) 27.93 Calcium, Ca (mg) 122.55 Iron, Fe (mg) 0.84 Magnesium, Mg (mg) 29.07 Phosphorus, P (mg) 21.09 Potassium, K (mg) 118.56 Sodium, Na (mg) 3.42 Vitamin A, IU (IU) 163.59 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 6.84 Thiamin (mg) 0.01 Riboflavin (mg) 0.02 Niacin (mg) 0.18 Vitamin B-12 (mcg) 0 Cholesterol (mg) 0