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Different food preservation methods have different impacts on the quality of the food and food systems. Some traditional methods of preserving food have been shown to have a lower energy input and carbon footprint compared to modern methods. [3] [2] Some methods of food preservation are also known to create carcinogens.
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 .
Curing can be traced back to antiquity, and was the primary method of preserving meat and fish until the late 19th century. Dehydration was the earliest form of food curing. [1] Many curing processes also involve smoking, spicing, cooking, or the addition of combinations of sugar, nitrate, and nitrite. [1] Slices of beef in a can
Fish are preserved through such traditional methods as drying, smoking, and salting. [1] A whole potato, sliced pieces (right), and dried sliced pieces (left), 1943. Food drying is a method of food preservation in which food is dried (dehydrated or desiccated). Drying inhibits the growth of bacteria, yeasts, and mold through the removal of water.
A 1920s hunting trip to Canada, where he witnessed the traditional methods of the indigenous Inuit people, directly inspired Birdseye's food preserving method. [6] The Icelandic Fisheries Commission was created in 1934 to initiate innovation in the industry, and encouraged fishermen to start quick-freezing their catch.
Contributions from these ethnic foods have become as common as traditional "American" fares such as hot dogs, hamburgers, beef steak, which are derived from German cuisine, (chicken-fried steak, for example, is a variation on German schnitzel), cherry pie, Coca-Cola, milkshakes, fried chicken (Fried chicken is of English, Scottish, and African ...
Hawker center in Bugis village. A large part of Singaporean cuisine revolves around hawker centres, where hawker stalls were first set up around the mid-19th century, and were largely street food stalls selling a large variety of foods [9] These street vendors usually set up stalls by the side of the streets with pushcarts or bicycles and served cheap and fast foods to coolies, office workers ...
Although food engineering is a relatively recent and evolving field of study, it is based on long-established concepts and activities. [1] The traditional focus of food engineering was preservation, which involved stabilizing and sterilizing foods, preventing spoilage, and preserving nutrients in food for prolonged periods of time. [5]