FOOD TECHNOLOGY

Detailed explanation-1: -Answer: The canning process preserves food by removing oxygen through an airtight seal and containing food in an acidic, sugary, or salty environment, where bacteria cannot thrive.

Detailed explanation-2: -Canning. The food contents are sealed in an airtight container at high temperatures. Meat, fish, fruits are preserved by canning.

Detailed explanation-3: -Canning, the process of placing foods in jars or cans and heating properly to a specified temperature, is a way to preserve many different foods. The high heat destroys microorganisms and inactivates enzymes to preserve the safety and quality of the food.

Detailed explanation-4: -Vacuum-packing stores food in a vacuum environment, usually in an air-tight bag or bottle. The vacuum environment strips bacteria of oxygen needed for survival, thereby slowing spoiling. Vacuum-packing is commonly used for storing nuts to reduce the loss of flavor from oxidation.