Magnesium Carbonate (E 504) in Food

Identity & Regulatory Status

• Listed in the EU as INS 504 (i) and (ii) for anhydrous and hydrated forms

• Generally Recognized As Safe (GRAS) by the FDA

• Approved by JECFA and EFSA

Key Technological Functions

• Anti-caking Agent: Prevents lump formation and ensures free flow in salts, sugars, spices and dextrose

• Acidity Regulator: Buffers pH in carbonated beverages, dairy products, sauces and dressings

• Processing Aid: Improves powder fluidity in spray-dried foods (e.g., instant chicory extract)

• Stabilizer & Bulking Agent: Adds opacity, mouthfeel and bulk in bakery mixes and dietary supplements

Typical Applications

• Powdered foods: baking powders, spices, dry mixes, instant coffee/chicory

• Salt & seasonings: table salt, sugar, powdered dairy products

• Confectionery & gum: chewing gum bases and diet foods

• Beverages: carbonated soft drinks and dairy-based drinks

Usage Levels

• Up to 0.1 % for anti-caking in granulated products

• Up to 0.05 % as a processing aid in spray-drying

• Exact levels depend on product formulation and regional regulations