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From time in memoir there has always been that need to store surplus food for future use. While most cultures have almost similar means to achieve this, an amalgam of storage, options have come up over the years. Such an example of use of traditional and technological means of preservation is freeze drying... It is rather conspicuous in cultures across the globe that sun drying has always been a preferred choice of preservation. While using the readily available sun rays to rid of moisture and food spoiling micro-organism, may seem so ancient, it still remains a cheaper option. However, not all cultures or people readily have sun shine at their disposal, often cold areas in both north and south pole use freezing as an ideal food preservation method... Freeze drying can be traced to Andean civilization; however, it is not until world war two that it was exploited heavily. Faced with logistical problems of transporting blood and serum to soldiers in the battle field, there was heavy..