Lipophilic, non-ionic emulsifiers made by the reaction of polyhydric alcohol(sorbitol) and stearic acid. The most common products used in food applications are sorbitan monostearate and sorbitan tristearate. They function as emulsifiers, aerating agents and lubricants in cakes, toppings, whiteners, confectionery coatings, active dry yeast and as crystal modifiers in margarine.