These preemulsions were then homogenized using 4 passes through a twostage valve homogenizer (APV 2000, Albertslund, Denmark) operated at 300 and 25 bars for the first-stage and the second-stage
These preemulsionswere then homogenized using 4 passes through a twostagevalve homogenizer (APV 2000, Albertslund, Denmark) operatedat 300 and 25 bars for the first-stage and the second-stage