Many traditional food processing techniques are reaching their optimum performance while consumers demand’s stretch and food and environmental regulations tighten. Research shows ultrasound can play an important role in food technology: processing, preservation and extraction. Although conventional cutting, emulsification and cleaning are often bottlenecks, lack of knowledge keeps industry from implementing ultrasound in their processes. A recent survey and market study of the possible future applications of new process technologies (like microwave, ultrasound) in the food industry has revealed that many companies are reluctant to apply these new technologies. The main reason is poor undestanding of these new techniques by food professionals and the reason or weight of tradition.