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Pasteurized milk is milk which has been heat-treated to kill pathogens which cause disease. Not all pathogens are removed during the pasteurization process, so pasteurized milk is not 100% sterile, but many people consider it to be safer to drink than raw milk which has not been pasteurized at all. The bulk of the milk sold in commercial grocery stores is pasteurized.
Sterilized milk is Milk which heated to 120°C for a few minutes or to just over 100°C for 20 to 30 minutes and aseptically sealed in a narrow necked bottle with a crown cork. This process kills all pathogenic and most other microorganisms and spores and the milk will keep for 1 to 2 years. The milk is off white in colour and has a characteristic caramel, boiled milk taste which is not to everyone's liking.
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JudyPasteurized milk is heated to a high temperature for a short period of time to kill harmful bacteria, while sterilized milk is heated to an even higher temperature for a longer period of time to kill all microorganisms, including spores. This makes sterilized milk shelf-stable and does not require refrigeration until opened, while pasteurized milk needs to be kept refrigerated.
Pasteurization is a FORM of sterilization, however pasteurization uses a brief period of heating only while sterilization can use many other methods to kill microorganisms (e.g. toxic chemicals, burning, ultraviolet light, x-rays, gamma rays). With pasteurization used on food products they will be edible (although with some foods the flavor will slightly deteriorate, e.g. cooked flavor) while with some forms of sterilization their use on food would be unacceptable.
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Can pasteurized milk cause salmonella?
Pasteurized milk is heated to high temperatures to kill harmful bacteria, including Salmonella. Therefore, it is highly unlikely for pasteurized milk to cause a Salmonella infection. It is important to always handle milk and dairy products safely to prevent contamination from occurring during storage and handling.
What kind of milk must be pasteurized?
In general, milk that is sold commercially should be pasteurized to ensure it is safe to consume. Pasteurization helps kill bacteria and extend the shelf life of the milk.
What is the chemical formula for pasteurized milk?
Milk is not a chemical compound it is amixture of many compounds. Pasteurisation is a process that heats milk to kill bacteria without affecting the properties of the milk too much.
What is it when you pastrise something?
When something is pasteurized, it means it has been heated to a high enough temperature to kill the dangerous bacteria in it. One food product that is well-known for being pasteurized is milk.
What is sterilized millk called?
Sterilized milk is typically referred to as UHT (ultra-high temperature) milk. This milk has been heated to a very high temperature for a short period of time to kill off any harmful bacteria, making it safe for longer shelf life without refrigeration until opened.
