Food preservation techniques such as salting, smoking, fermentation, freezing, and irradiation serve the purpose of

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Food preservation techniques such as salting, smoking, fermentation, freezing, and irradiation are primarily used to kill bacteria in food to increase its shelf life and prevent foodborne illnesses. While some of these techniques may result in shrinkage or eliminate the need for refrigeration, their primary purpose is to preserve the food by inhibiting bacterial growth. Immediate preparation and consumption is not the goal of food preservation techniques.

Food Preservation Techniques Such as Salting, Smoking, Fermentation, Freezing, and Irradiation