Question

as microorganismis.
Why do we add some drops of buttermilk or curd to lukewarm milk to make curd?
Why does cooked food get spoiled after some days?​

Answer 1

Answer:

to become lactobacillus.

because it contains fatty acids

Answer 2

Milk is converted into curd by using the process of fermentation.

The liquid consists of globular proteins known as casein.

Butter milk comprises lactic acid bacteria and it reacts with the protein.

During the process of fermentation, bacteria deploy enzymes to produce energy from lactose.

The acid helps to destroy the tertiary and the quaternary structure of proteins.

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