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Pasteurized milk in Japan A 1912 Chicago Department of Health poster explains household pasteurization to mothers.. In food processing, pasteurization (also pasteurisation) is a process of food preservation in which packaged foods (e.g., milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life.
Besides UHT, aseptic processing may be used in conjunction with any of the microbe-reduction technologies listed below. With pasteurization and "high pressure pasteurization", the food may not be completely sterilized (instead achieving a specified log reduction), but the use of sterile packaging and environments is retained.
The most common method of pasteurization in the United States today is High Temperature Short Time (HTST) pasteurization, according to the International Dairy Foods Association. This process uses ...
Pasteurization is widely used to prevent infected milk from entering the food supply. The pasteurization process was developed in 1864 by French scientist Louis Pasteur, who discovered that heating beer and wine was enough to kill most of the bacteria that caused spoilage, preventing these beverages from turning sour. The process achieves this ...
Pasteurization strives to eliminate any microbes that can hasten spoilage, as well as those that can prevent illness.” Heat isn’t the only way to pasteurize cider. Ultraviolet (UV) light can ...
Ultra-high temperature processing (UHT), ultra-heat treatment, or ultra-pasteurization [1] is a food processing technology that sterilizes liquid food by heating it above 140 °C (284 °F) – the temperature required to kill bacterial endospores – for two to five seconds. [2]
By traditional pasteurization methods, heating a raw shell egg to a high enough temperature to achieve pasteurization would also cook the egg. However, beginning in the early 1980s, Dr. James P. Cox and R.W. Duffy Cox of Lynden, Washington, began developing methods to pasteurize shell eggs.
Steam infusion can be used to pasteurize a variety of dairy products. For ultra pasteurization, also known as ultrahigh-temperature pasteurization, the milk is heated to temperatures in the order of 140 °C. During steam infusion, milk is brought into contact with steam at 140 °C for one or two seconds.