FOOD TECHNOLOGY

Detailed explanation-1: -Food preservation is defined as the processes or techniques undertaken in order to maintain internal and external factors which may cause food spoilage. The principal objective of food preservation is to increase its shelf life retaining original nutritional values, color, texture, and flavor.

Detailed explanation-2: -Introduction. Food preservation techniques have relied heavily on heat in diverse forms and levels to destroy microorganisms and extend shelf life. The inactivation of the pathogenic and spoilage microorganisms present in foods is the main purpose of food preservation.

Detailed explanation-3: -If foods are preserved correctly, they are safe for years but the quality and nutritional value decreases with the passing of time. The National Center for Home Food Preservation recommends only preserving enough food to last one year.