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Food processing is the transformation of agricultural products into food, or of one form of food into other forms. Food processing takes many forms, from grinding grain into raw flour , home cooking , and complex industrial methods used in the making of convenience foods .
Processed foods are relatively simple food products produced by adding processed culinary ingredients (group 2 substances) such as salt or sugar to unprocessed (group 1) foods. [2] Processed foods are made or preserved through baking, boiling, canning, bottling, and non-alcoholic fermentation.
Minimal processing such as cutting, washing, canning and freezing retains most of the original nutrients, while highly processed foods add ingredients that can alter the nutritional content.
Processed culinary ingredients are used to enhance unprocessed or minimally processed foods. Think salt, sugar, oil, vinegar and honey. Think salt, sugar, oil, vinegar and honey.
Generally, however, these guidelines agree that highly processed foods contain high amounts of total and added sugars, fats, and/or salt, low amounts of dietary fiber, use industrial ingredients ...
Nova categorizes foods into four groups: [3] unprocessed or minimally processed foods, processed ingredients, processed foods, and ultra-processed foods. Nova is an open classification that refines its definitions gradually through scientific publications rather than through a central advisory board. [ 7 ]
Processed meat is considered to be any meat that has been modified in order to either improve its taste or to extend its shelf life. Methods of meat processing include salting, curing, fermentation, smoking, and/or the addition of chemical preservatives. [1] Processed meat is usually composed of pork or beef or, less frequently, poultry.
“Some processing methods—like freezing, fermenting, or pasteurizing—can help preserve or even enhance the nutritional value of foods,” says Kristen Lorenz, R.D. “Foods like fortified ...