All the members of the animal kingdom consume their food raw, except that of the human beings. The human beings usually process their food by heat before their consumption. The process or the art of food preparation with the primary aid of heat in order to consume it is formally known as cooking. The art and the practice of cooking food vary extensively from one region to another all over the world. They are essentially dependent on various factors like environment, economy, and availability of raw materials along with the existing trends as well as the cultural traditions.
As stated earlier it is a unique characteristic of the human beings to process their food before consumption via the method of cooking. The art of cooking had been a salient feature that has defined the course of human evolution. It has been estimated that cooking started some 250,000 years before. The evolution of cooking occurred with the advent of agriculture, trade and commerce along with transportation among the notable civilizations of the world.
The exchange of various food substances like spices made the evolution and process of cooking even more interesting. The various techniques used for cooking expanded because of new inventions like pottery, boiling process, etc. The modern version of various cooking methods uses scientific procedures in order to enhance the taste and flavor of food to be served. Cooking can be perceived as a form of chemical reactions in the raw materials induced by the heat that makes them consumable.