soda-bi-carb
Sodium bicarbonate is not a significant source of nutrients but is used in minimal quantities in recipes. It contains sodium and may affect dietary sodium intake depending on application.
About
Sodium bicarbonate, commonly known as baking soda or bicarbonate of soda, is a white crystalline powder with the chemical formula NaHCO₃. It is naturally occurring as the mineral nahcolite and is industrially produced through the Solvay process, which uses ammonia, carbon dioxide, and sodium chloride brine. The compound is odorless and slightly alkaline, with a faintly salty taste.
In the kitchen, baking soda functions as a leavening agent by releasing carbon dioxide gas when heated or when combined with acidic ingredients (such as buttermilk, lemon juice, or vinegar), creating lift in baked goods and batters. Its alkalinity also neutralizes acids, intensifies browning through the Maillard reaction, and serves multiple functions beyond baking, including cleaning, deodorizing, and pH adjustment in cooking.
Culinary Uses
Baking soda is essential in baking, where it reacts with acidic ingredients to create leavening in cakes, cookies, muffins, and quick breads. It is commonly used in pancake and waffle batters, Irish soda bread, and American-style biscuits. Beyond baking, it tenderizes vegetables, increases browning in roasted meats and onions, and is used in Asian noodle production (as kansui) to create chewiness. It can be used to neutralize sour flavors in sauces and as a cleaning and deodorizing agent for cookware and kitchen surfaces. Proper measurement is critical, as excess baking soda produces a metallic or soapy taste.