Explain the process of chemical reaction that takes place in formation of curd from milk and also tell the chemical equation for this chemical reaction.

Dear Students,
The bacteria Lactobacillus when added to milk converts it into curd.The bacteria breakdown the lactose in milk to lactic acid.This increases the acidity of milk due to which the milk protein casein coagulates as curd.This process is known as fermentation and requires a temperature of 35 - 40 degree Celcius.
The chemical reaction involved is:
C12H22O11 (lactose) + H2O (water) → 4 CH3CHOHCOOH (lactic acid).


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