1. Non-Thermal Preservation

2. D 9.01 -- Non-Thermal Preservation
Definition
Involves manipulating the properties of food or its environment without using heat.
Examples include:
Irradiation
Ohmic heating
Ozonation
High pressure processing
D Non-Thermal Preservation

3. D 9.01 -- Non-Thermal Preservation
Irradiation
Exposure of food to ionizing radiation for preservation
In the U.S. irradiated foods are required to be labeled.
D Non-Thermal Preservation

4. D 9.01 -- Non-Thermal Preservation
Ohmic Heating
Food is subjected to an alternating current flow between two electrodes.
D Non-Thermal Preservation

5. D 9.01 -- Non-Thermal Preservation
Ozonation
Water treatment process used to destroy microorganisms by ozone, a gas produced by exposure of oxygen molecules to high electric voltage
D Non-Thermal Preservation

6. High Pressure Processing
Preservation method where liquid and solid foods are subjected to pressures of 45,000 pounds per square inch or higher.
D Non-Thermal Preservation