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MICROORGANISMS
PROCESSES THAT AFFECT MICROORGANISMS
When food is created using microorganisms, there needs to be controlled conditions otherwise food will be spoiled as
microorganisms will grow etc.

There are six types of treatment that you need to know about that affect microorganisms:

Freezing
Adding sugar
Adding salt
Pickling
Heat treatment…

Page 2

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BREAD
It is made by mixing yeast, sugar, flour and water into a dough. The yeast turns the sugar into ethanol and carbon dioxide.


WINE
This is made by adding yeast to grape juice. The yeast turns the sugar in the grape juice into ethanol and carbon dioxide.


YOGHURT
This…

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