International Numbering System (INS) for Food Additives: 430
Food additives Europe numbers: E430
Functional Category: emulsifier
Polyoxyethylene (8) stearate, also known by its commercial names Polysorbate 80 or Laureth-8, can function as a food excipient with various applications. Here's a detailed look at its properties and uses in food:
What is Polyoxyethylene (8) Stearate?
- Chemical structure: It's a nonionic surfactant, similar to other polysorbates. It has a hydrophilic (water-loving) portion derived from eight ethylene oxide units and a lipophilic (oil-loving) part from stearic acid (an 18-carbon fatty acid). This structure allows it to emulsify and stabilize mixtures of oil and water.
Functions of Polyoxyethylene (8) Stearate in Food:
- Emulsifier: The primary function of Polyoxyethylene (8) stearate in food is as an emulsifier. It helps prevent oil and water from separating, creating smooth and consistent textures in various products like:
- Baked goods: In cakes, icings, and fillings, it can aid in even fat distribution, leading to a desirable crumb and mouthfeel.
- Fats and oils: Similar to other polysorbates, it can help disperse flavor oils or fat-soluble ingredients into water-based products.
- Confections: It can contribute to smooth textures in candies and chocolates.
- Wetting agent: In some cases, Polyoxyethylene (8) stearate can act as a wetting agent, improving the contact between water and other ingredients.
- Solubilizer: It can also help solubilize (dissolve) some flavorings or other lipophilic components in water-based food systems.
Safety and Regulations:
- Generally recognized as safe (GRAS): Polyoxyethylene (8) stearate is generally recognized as safe (GRAS) by regulatory bodies like the US FDA for use in specific food applications at permitted levels.
- Dietary considerations: As with other polysorbates, individuals with sensitivities to sorbitol or polyethylene glycol (a component) may want to be mindful of their intake.
Overall:
Polyoxyethylene (8) stearate is a useful food emulsifier, wetting agent, and solubilizer, finding applications in various food products. It's generally considered safe for consumption within permitted amounts set by regulatory bodies.