E1518 – Glyceryl Triacetate (Triacetin)

Glyceryl Triacetate, commonly known as Triacetin and designated as E1518, is a colorless, odorless, and oily liquid used in the food industry primarily as a solvent for flavorings and colorings, as well as a humectant to retain moisture in products. 

Danger Level: 1 – Almost Safe

Purpose in Products

  • Solvent for Flavorings and Colorings: E1518 effectively dissolves and disperses flavoring agents and colorings, ensuring uniform distribution throughout the food product. 
  • Humectant: It helps maintain moisture in food products, preventing them from drying out and extending shelf life.
  • Plasticizer: E1518 is used to enhance the texture and flexibility of certain food items, such as in the production of chewing gum. 

Health Considerations

Glyceryl Triacetate is generally considered safe for consumption. There are no known harmful effects when used in foods within the recommended limits. 

Impact on Children

There is no specific evidence suggesting that E1518 poses additional risks to children when consumed in typical food quantities. Nonetheless, moderation is advised to prevent any potential adverse effects.

Impact on Taste

E1518 is tasteless and odorless, ensuring it does not alter the natural flavor of food products. Its primary function is to act as a solvent and humectant without impacting taste.

Compatibility with Other Additives

Glyceryl Triacetate is compatible with various other food additives, particularly flavorings and colorings, enhancing their solubility and stability within the product. 

Natural Occurrence

While glycerol and acetic acid are naturally occurring substances, Glyceryl Triacetate itself does not occur naturally and is synthesized for industrial use. 

Alternatives and Substitutes

  • Propylene Glycol (E1520): Another solvent used for flavorings, though it has different chemical properties and applications.
  • Glyceryl Diacetate (E1517): Also known as diacetin, it serves similar functions as a solvent in food products.

Regulation

E1518 is approved for use as a food additive in many countries, including those in the European Union. It is permitted as a carrier for flavorings up to 3 grams per kilogram of food. 

Conclusion

Glyceryl Triacetate (E1518) is a versatile food additive that serves as a solvent for flavorings and colorings, a humectant, and a plasticizer in various food products. Generally recognized as safe, it can be consumed as part of a balanced diet. As with all food additives, moderation is key to prevent potential adverse effects.