How does high-pressure processing (HPP) preserve food?

Explain the concept of retorting in food processing.

What is irradiation, and how is it used in food preservation

Describe the extrusion process in food manufacturing.

What is fermentation, and give examples of fermented foods.

How does freezing affect the texture and nutritional value of food?

Explain the principle of refrigeration in food storage.

https://What is dehydration, and how is it used in food preservation?

Describe the canning process and its importance.

What is pasteurization, and how does it affect food safety?