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Stable 'arrested' non-aqueous edible foams based on food emulsifiers.

Stable oil foams with structured air-oil interfaces and high overrun (φair ≫ 0.5) were fabricated using edible emulsifiers (sucrose esters and lecithin). Advanced microscopy was used to understand the microstructure of these 'arrested' non-aqueous foams which displayed interesting rheological behaviour (yielding and thixotropy). Such complex colloids stabilized by edible ingredients could find important industrial applications in the development of novel textured food products.