Q. 83.9( 7 Votes )

What will happen if you add buttermilk to chilled milk?

Answer :

Normally when we add buttermilk to the milk at normal temperature or to the lukewarm milk we observe that after some duration milk gets changed into curd but the same thing doesn’t happen when buttermilk is added to the chilled milk. There will be no transformation of the milk into curd in case of chilled milk.

It happens because the conversion of milk into curd requires lactobacillus bacteria but chilled milk doesn’t provide the appropriate temperature that is required by the lactobacillus bacteria in order to grow.


Since there is no appropriate temperature for lactobacillus bacteria to grow, there is no growth of lactobacillus and chilled milk won’t convert into curd but there will be slight changes in its taste due to the presence of small amount of lactobacillus bacteria.


Therefore, when we add buttermilk to chilled milk there will be no change in it except a slight change in taste.


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