Question

Explain the process of conversion of milk into curd by lactobaccilus.

Answer 1

When pasteurized milk is heated to a temp. of 30-40 degrees, and a small amount of curd is added to it. The lactobacillus in that curd starts to grow which convert lactose into lactic acid. 

Answer 2

A spoon ful of curd is added to warm milk,which turns into curd overnight. Thid happnes because a protien called casein present in milk coagulates to form curd.for casein to coagulate, the milk has to be made acidic. A bacterium called lactobacillus, present in spoonful of curd added to milk, converts the lactous sugar present in milk to lactic acid. This creates the acidic environment needed for casein coagulation.