EFFECT OF PREMIX CONDITION, SURFACTANT CONCENTRATION, AND OIL LEVEL ON THE FORMATION OF OIL-IN-WATER EMULSIONS BY HOMOGENIZATION

摘要

Oil-in-water emulsions were prepared on a homogenizer from good premixes and poor premixes. The quality of the emulsions was determined by measuring the droplet size distribution using spectroturbidimetry. A good premix to the homogenizer produces a better emulsion than a poor premix. Premix conditions become less important when the concentration of emulsifier is increased in relation to the amount of oil. Increasing oil concentration results in a poorer final emulsion. Large amounts of emulsifier negate the advantage of using the homogenizer, but greater mechanical energy input can compensate for reduced emulsifier concentration, a cost saving when formulating an emulsion. [References: 18]