Baking Powder (Non-Aluminum)Baking Powder (Non Aluminum) Rumford baking powder has the same carbon dioxide gas release as the majority of double acting bakery institution type baking powders. Use the typical amounts used in the various types of baked products. INGREDIENTS: Monocalcium Phosphate, Sodium Bicarbonate (Baking Soda), Food Grade Cornstarch (non GMO) Leavening carbon dioxide is released by the reaction of sodium bicarbonate with monocalcium phosphate in the presence of