Propylgallat, or Propyl Gallate, in the industrial context, refers to an ester formed from gallic acid and propanol. Known for its antioxidant properties, Propylgallat is primarily used as a preservative in foods, cosmetics, hair products, adhesives, and lubricants. Its role in these industries is to prevent oxidation, which can cause spoilage, rancidity, and deterioration of the product's quality and shelf life.

Application Areas

  1. Food Industry: As an antioxidant and preservative in edible oils, chewing gums, meat products, and other packaged foods.
  2. Cosmetic Industry: In creams, lotions, and other personal care products to prevent rancidity of oils and fats.
  3. Pharmaceutical Industry: As an ingredient in various medicinal formulations to increase shelf life.
  4. Manufacturing of Rubber and Plastics: To prevent oxidation during processing and storage.


  • Packaged Food Products: Propylgallat is often found in products with fats to extend shelf life.
  • Cosmetics and Skincare Products: Used to maintain the stability of the product formulation.
  • Pharmaceuticals: In certain medications as a stabilizer.


  1. Allergic Reactions: Some individuals may have allergic reactions to Propylgallat.
  2. Regulatory Restrictions: The use of Propylgallat is subject to regulatory approval and limits in many countries.
  3. Environmental Concerns: Issues related to the production and disposal of products containing Propylgallat.


  • Adhering to regulatory guidelines regarding the concentration and application of Propylgallat.
  • Conducting thorough testing for allergic reactions and toxicity.
  • Implementing sustainable and environmentally friendly production processes.

Industries Where It Is Used

  • Food Processing
  • Cosmetics and Personal Care
  • Pharmaceuticals
  • Rubber and Plastics Manufacturing

History and Legal Basics

Propylgallat was first synthesized and used as a preservative in the early 20th century. Its use in food and cosmetic products is regulated by authorities such as the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA), which set limits on allowable concentrations to ensure consumer safety.

Examples of Sentences

  • "Propylgallat is added to some snack foods to prevent oil rancidity."
  • "Many skin creams contain Propylgallat as an antioxidant."
  • "Regulatory agencies monitor the use of Propylgallat in food and cosmetic products for safety."
  • "The pharmaceutical industry uses Propylgallat to extend the shelf life of certain medications."

Similar Concepts or Synonyms

  • E310 (food additive code)
  • Gallic Acid Ester
  • Antioxidant Preservative


Propylgallat serves an important role across various industries, particularly in preserving the quality and extending the shelf life of products. As an antioxidant, it helps prevent oxidation in food, cosmetics, and pharmaceutical products. While it is widely used and generally considered safe, it must be carefully regulated to ensure consumer safety. Its effectiveness as a preservative has made it a common ingredient in many products, although its use is balanced with the need for careful monitoring and adherence to safety standards.


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