Water And Sodium Tripoyphosphate
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What it is
Sodium tripolyphosphate (STPP) is a salt made from sodium and phosphate. It is a white, powdery substance that is often used in food processing. It is produced industrially through chemical synthesis.
Why it's used
STPP is used in processed foods, particularly in meats and seafood, to help retain moisture and improve texture. It acts as a sequestrant, binding to metal ions that can cause spoilage. This helps keep products like frozen shrimp and processed poultry moist and tender during cooking and storage.
Health notes
Sodium tripolyphosphate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of phosphorus, an essential mineral. JECFA has evaluated STPP and established an acceptable daily intake. While generally considered safe at typical consumption levels, excessive intake of phosphates from all sources could be a concern for individuals with kidney disease.
Allergen info
Not a major allergen.