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asteurization is a method of heating milk for example to a high heat (185 or more) in order to quickly kill *all* micro-organisms in it.

Fermentation for food (again for milk, but there are other kinds of fermentation) is a method for allowing certain "good" bacteria to grow so that they can begin eating the natural milk sugar (lactose) in milk and turn it into lactic acid (to make yogurt, etc).
The bacteria have an optimal temperature for growing (around 115-120 or so)-- too high a heat like the high temp required for pasteurization would kill them. That's why when yogurt is made, any pasteurization or heating-for-extra-thickness will have to happen before the particular yogurt bacteria/starter are added to the milk.

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Why does milk still ferment even though it is pasteurized?

Pasteurization doesn't remove all of the bacteria in it. Only sterilization will. Pasteurization will slow down the fermentation process for a while.


How are lactic acid fermentation and alchoholic fermentation similar?

Alcohol fermentation and lactic acid fermentation are similar because glucose is oxidized to two molecules of pyruvic acid. The difference between them is that alcohol fermentation yield two molecules of ATP also.


What is the difference between fermentation and hydration?

Fermentation is the process of making alcohol (ethanol) by mixing sugar and yeast in a barell: sugar + yeast ----> ethanol + carbon dioxide Hydration is another process of making alcohol (ethanol) by heating water and ethene at a temperature of around 300 degrees celcius under high pressure: ethene + steam -----> ethanol One big difference between fermentation and hydration is that fermentation pproduces the bi-product cabon dioxide whereas hydration doesn't. Another difference coulkd be that the reaction of hydration happens a lot faster than that of fermentation.


What is one true distinction between fermentation and cellular respiration?

cellular respiration uses oxygen but fermentation does not use oxygen


What turned sour that Louis Pasteur was making?

Louis Pasteur was studying fermentation in various substances, including beer and milk. He discovered that souring in milk was due to the fermentation of lactic acid bacteria, leading to the process of pasteurization to prevent spoilage.

Related Questions

Is it true that the main difference between respiration and fermentation is that fermentation does not use water?

no


Who is Dr.Thomas Welch?

He was the discoverer of the pasteurization process to prevent the fermentation of grape juice.


Why does milk still ferment even though it is pasteurized?

Pasteurization doesn't remove all of the bacteria in it. Only sterilization will. Pasteurization will slow down the fermentation process for a while.


What is the difference between fermented and brewed or can they be synonyms?

Brewing is a kind of fermentation.


What is pastuerization?

Pasteurization is the process in which heat is being used to remove fermentation growing inside a food or beverage


What are the accomplishments Louis Pasteur did?

he is a chemist and biologist whose discovery that fermentation is caused by microorganisms resulted in the process of pasteurization


What are the contribution of Louis Pasteur in chemistry?

- discovering the mechanism of fermentation- discovering the mechanism of pasteurization- structure of tartaric acid


What do you call the food making process in a plant?

{Let's start with} Agriculture; then Harvesting; then bio-fermentation; then pasteurization; then baking; ...


What are the contribution of chemistry by Antoine Laurent Lavoisier?

- discovering the mechanism of fermentation- discovering the mechanism of pasteurization- structure of tartaric acid


How are lactic acid fermentation and alchoholic fermentation similar?

Alcohol fermentation and lactic acid fermentation are similar because glucose is oxidized to two molecules of pyruvic acid. The difference between them is that alcohol fermentation yield two molecules of ATP also.


What is difference between glycolysis and fermentation?

Fermentation is anaerobic respiration. Glycolysis is part of aerobic respiration. The pathways for both processes, however, are almost identical to each other.


What is the difference between pasteurization and sterilization?

The pasteurization is carried out for a prolonged time at around 170°F and is supposed to kill only heat susceptible organisms and their spores, while sterilization works at a temperature of 250°F and is supposed to kill all organisms.