What You Need to Know
Mechanical processing techniques, such as grinding, milling, and extrusion, involve the application of physical forces to break down food particles, leading to changes in texture and appearance. This process can result in the denaturation of proteins, gelatinization of starches, and disruption of cell walls, affecting the final product's texture and nutritional content.
Steps
- 1.
Tahini (Middle East): Stone grinding releases oils from sesame seeds
- 2.
Mochi (Japan): Pounding glutinous rice creates characteristic chewiness
- 3.
Pemmican (North American Indigenous): Meat grinding and berry mixing creates preserved food
The Science
Primary Reaction
Denaturation of proteins, gelatinization of starches, disruption of cell walls