Emulsifier

Emulsifier is a food additive that helps mix ingredients that normally do not combine, such as oil and water. By reducing surface tension between these two phases, emulsifiers create stable, uniform mixtures known as emulsions. They are widely used in the food industry to improve texture, extend shelf life, and maintain consistent quality in products like chocolate, margarine, bread, ice cream, sauces, and dressings.

Common food emulsifiers include soy lecithin, mono- and diglycerides, polysorbates, and PGPR. Each type has specific properties suited to different applications — for example, lecithin is essential in chocolate production for controlling viscosity, while mono- and diglycerides help bread stay soft longer. Emulsifiers also play a role in preventing fat separation, stabilizing foams, and improving mouthfeel. Understanding how to choose and dose the right emulsifier is a key skill in food technology.

Find out more about emulsifiers — including types, functions, and practical usage in food production — in the articles below.