Following the reaction, the solution is cooled and allowed to crystallize. The crystallization process is crucial, as it helps purify the ammonium bicarbonate and separate it from other byproducts. The resulting crystals are then harvested, dried, and packaged for distribution. Quality control is vital at every stage of production to ensure that the final product meets the required specifications for various applications.
E290 is recognized as safe by numerous food safety authorities, including the European Food Safety Authority (EFSA) and the United States Food and Drug Administration (FDA). As a food additive, it is classified as a Generally Recognized as Safe (GRAS) substance, meaning that it can be used in food products without necessitating additional safety testing.