Propyl gallate (CAS No. 121-79-9,Chemical formula: C10H12O5) is an antioxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals.
Propyl gallate (CAS No. 121-79-9,Chemical formula: C10H12O5) is a product made from GALLIC ACID through reaction with N-PROPYL ALCOHOL and processes.
Propyl Gallate is a synthetic antioxidant widely used to extend the shelf life of products by preventing oxidation. Chemically, it is an ester formed from gallic acid and propanol, with the molecular formula C₁₀H₁₂O₅. Its primary role is to protect fats, oils, and other perishable ingredients from degrading, making it a crucial additive in industries such as food, cosmetics, and pharmaceuticals. By preserving quality, flavor, and nutritional value, Propyl Gallate has earned its place as a versatile and effective preservative.
The effectiveness of Propyl Gallate lies in its ability to act as a free radical scavenger. Oxidation occurs when oxygen reacts with fats and oils, leading to rancidity and spoilage. Propyl Gallate interrupts this process by neutralizing free radicals, preventing chain reactions that damage products. It is especially useful in formulations with unsaturated fats, which are highly susceptible to oxidation. Often combined with other antioxidants like BHA or BHT, it enhances overall preservation.
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