Drying: Basic Food Preservation Method

Abstract

Drying is one of the most common and oldest method used for food preservation. It is used since antiquity. Benefits include increased shelf life and reduction of bulk. Fundamentals of drying include the drying curve and moisture content. Most commonly used dryers are rotary dryers, spray dryers, drum dryers, fluidized dryer, tunnel dryers, hot air dryers etc. selection criteria of dryers depend on the particular application.