... .Each of them has hydrochloric and sulphuric types. 2.Package:25kg/50kg Bag Amino acid feed nutrients The one for FOOD ... --- Spray Drying --- PackingThis product contains 18 kinds of Amino Acid, especially well for flavoring such like Sauce, Vinegar, Chicken Essence etc ... Amino Acid, containing both organic nitrogen and inorganic nitrogen, with the appearance of yellow or light yellow powder or granule ...