Sodium Polyphosphates

Sodium polyphosphates are a group of salts made from linking multiple phosphate units together. They are synthesized from phosphoric acid, which is produced from phosphate rock. These compounds are soluble in water and are used in various food applications.

Sodium polyphosphates act as emulsifiers, stabilizers, and sequestrants in food. They help to prevent oil and water from separating, maintain a smooth texture, and bind metal ions that can cause spoilage. They are commonly found in processed cheeses, dairy products, and beverages.

Sodium polyphosphates are generally recognized as safe (GRAS) by the FDA for use in food. They are a source of phosphorus, an essential mineral. JECFA and EFSA have evaluated sodium polyphosphates and have established acceptable daily intakes. While generally considered safe, excessive intake of phosphates from all sources can be a concern for individuals with kidney disease.