What You Need to Know
The process involves converting electrical energy into mechanical energy through a piezoelectric transducer, producing high-frequency vibrations (typically 20-40 kHz). This technique can be used on various materials, including food, plastics, and metals, and is often used in food processing to cut or shape food products.
Steps
- 1.
Precision-cut sushi garnishes (Japan): Creates micro-thin vegetable decorations without cell damage
- 2.
Molecular gastronomy foams (Spain): Ultrasonic emulsification of delicate flavor compounds
- 3.
Uniform chocolate tempering (Switzerland): Vibration-assisted crystallization control
The Science
Primary Reaction
Mechanical vibration