Food processing is the transformation of raw ingredients, by physical or chemical means into food, or of food into other forms.
Food processing typically involves activities such as mincing and macerating, liquefaction, emulsification, cooking (such as boiling, broiling, frying, or grilling), pickling and preservation, canning or jarring (primary-processing such as dicing or slicing, freezing or drying when leading to secondary products are also included).