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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.
By 2005, the process was being used for products ranging from orange juice to guacamole to deli meats and widely sold. [35] Depending on temperature and pressure settings, HP processing can achieve either pasteurization-equivalent log reduction or go all the way to achieve sterilization of all microbes. [36]
Heat applied during pasteurization varies from around 60 °C to kill bacteria to around 80 °C to kill yeasts. Most pasteurization processes have been optimized recently to involve several steps of heating at various temperatures and minimize the time needed for the process. [13] Basic drawing of an ammonia compressor.
Raw milk is milk that has not gone through the pasteurization process, which is a key food safety step that applies heat in order to kill microorganisms that can cause disease, according to Meghan ...
Raw milk refers to the milk of an animal—typically a cow but also a goat or sheep—that has not been pasteurized. Pasteurization is the heat-treatment process, named for inventor Louis Pasteur ...
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 ...
Microorganisms growing on an agar plate. Sterilization (British English: sterilisation) refers to any process that removes, kills, or deactivates all forms of life (particularly microorganisms such as fungi, bacteria, spores, and unicellular eukaryotic organisms) and other biological agents (such as prions or viruses) present in fluid or on a specific surface or object. [1]
Pasteurization is key because it involves heating an egg to a specific temperature, which would kill any bird flu that was present. You also want to make sure the pasteurized eggs you buy are in ...