There is distinct disadvantage in using either of above leavening agent in baked products with a higher moisture contents because of ammonia gas being soluble in water remains in the baked products and imparts to it a very disagreeable taste and odour. It is for this reason that the use of ammonia salts as leavening agents in baking is limited to those products which are small and porous units so that the ammonia fumes can bake out.
Amount of Baking powder to be used: