Application of Cold for Food Preservation

Abstract

The food either obtained from plants sources or from animals, is a rich source of several nutrients, which are required for human nutrition, but it can also serve as a substrate for the growth and multilocation of microbes, resulting into the spoilage of food and that’s why preservation of food has been practiced since ancient times. The basic purpose of preservation is to create unfavorable conditions so that microbes may not grow to cause the spoilage of the food. Various methods, such as drying, canning, curing, smoking, irradiation, freezing, chilling/refrigeration, pressure processing, nanotechnology, and chemicals etc. are used to preserve different types of foods. The application of cold is one of the most effective and widely practiced methods of food preservation. Lowering the tem