What You Need to Know
Oil droplets are dispersed in water by surfactants such as lecithin from egg yolk or mustard proteins, reducing interfacial tension and forming a continuous emulsion. The stability depends on droplet size, emulsifier concentration, and temperature, which influences protein denaturation and viscosity.
The Science
Primary Reaction
Formation of oil-in-water emulsion via surfactant-mediated interfacial tension reduction.