In order to kill off harmful bacteria in milk, you need to pasteurise it.
To kill bacteria that live in the the milk, some of which may be harmful to people.
Pasteurise is a process to sterilise milk by heating.
Louis Pasteur, a Frenchman in the late 1600s discovered the process of pasteurization.
It will taste kind of raw and it will smell really bad.
Pasteurization was named after Louis Pasteur who discovered that spoilage organisms could be inactivated in wine by applying heat at temperatures below its boiling point. The process was later applied to milk.
Euopreans have had many positive effects over the centuries. Louis Pasteur, a Frenchman, discovered how to pasteurize milk, and also developed smallpox vaccine, for example.
physics
After milking the cows, the milk is delivered to the milk processor within 2 days. The processor should pasteurise and pack the milk within 24 hours and the milk can then be delivered to shops. The milk should be less than 4 days old when it reaches the store.
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The Frenchman Louis Pasteur hence the name pasteurization.
when was milk discoverd