Introduction Food manufacturers often think of sodium bicarbonate simply as baking soda. In industrial food processing, however, its role can be much broader. Food-grade sodium bicarbonate can function as a leavening ingredient, acidity regulator, processing aid and formulation component in bakery products, beverages and other food-processing systems. LANGYI’s current food-grade sodium bicarbonate portfolio includes Standard Food Grade, Low-Salt Grade and Fine-Powder Grade, designed for different processing requirements involving general food production, chloride control, dissolution and dispersion. For manufacturers, choosing the right grade is therefore not only a question of chemical purity. Particle size, chloride specification, dissolution behavior, moisture control and