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Microorganisms used in food production

This is a fungi whose pores are in the air we breathe, but doesn't
normally cause disease however if someone has a weakened
immune system then they can be vulnerable to infection. The
aspergillus fungi can cause a group of diseases call aspergillosis.

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which are then used by the S.S.T. Both species make lactic acid, which gives yoghurt its flavour and
acts as a preservative. This results in a decrease in pH which partially coagulates the milk proteins.
This cause s the yoghurts thickness. While fermenting milk, L.B. produces acetaldehyde which is a…


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