THERMAL PRESERVATION

Carley, Savannah, and Danielle

What is Thermal Preservation?

Adding or removing heat to alter shelf-life. Shelf-life-- time food can be stored and still maintain its quality.

Cold Processing

Definition: Removing heat from food to slow deteriortion from enzymes and bacteria. Examples: Refrigeration, and Freezing.

Heat processing

Definition: Adding heat to a food to destory enzymes and some spoilage and pathogenic bacteria. Examples: Blanching, Commercial sterilization, Pasteurization, Sterilization, Dehydration, and Canning