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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.
A Tetra Pak ultra-pasteurization line. 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]
It may then be allowed to cool, or be bottled "hot" and cooled by water sprays. Since pasteurization affects a wine's flavor and aging potential it is not used for premium wines. A gentler procedure known as flash pasteurization involves heating to 205 °F (96 °C) for a few seconds, followed by rapid cooling. [11]
In fact, before pasteurization was commonplace, all milk was raw. The process of heating milk before it's bottled and put on the shelves became a mandatory safety measure in the mid-20th century.
Flash pasteurization, also called "high-temperature short-time" (HTST) processing, is a method of heat pasteurization of perishable beverages like fruit and vegetable juices, beer, wine, and some dairy products such as milk. Compared with other pasteurization processes, it maintains color and flavor better, but some cheeses were found to have ...
Diet and food safety experts say the potential risks and equal nutritional values between raw and pasteurized milk make choosing pasteurization a no-brainer. Here's what they want you to know ...
After treatment at 72 degrees C for 20 seconds – five seconds longer than the industry standard for pasteurization at that temperature - very small amounts of infectious virus were detected in ...
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