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Why does milk go sour?
The souring and curdling of milk is caused by bacteria.
Why does putting milk in refrigerator help to prevent curdling?
slows growth of bacteria
What is the rod shaped bacteria used in day to day food?
Lactobacillus a bacillus bacteria used in curdling of milk.
Which bacteria helps milk to change into curd?
Rennin deactivate the casein micelles in milk, causing a distinct separation of curd protein (solid) and whey protein (liquid).
Is curdling of milk is physical change or chemical change?
Milk curdling is a chemical change.
What is coagulation milk?
Curdling.
How does bacteria make milk go sour?
Bacteria in the milk consume the lactose sugar and produce lactic acid as a byproduct. The increase in acidity caused by the lactic acid lowers the pH of the milk, leading to the sour taste and curdling of the milk proteins.
A sentence with the word 'curdling' in it?
A sentence could be "I knew the milk was off because it was curdling"
If you boil Rotten milk will it be good again?
No. Once milk has spoiled there is nothing you can do to fix it. Milk spoilage causes changes in proteins that cause curdling and the milk will likely be sour. Bacteria might be killed off with boiling, but the damage will already be done.
Why does milk get clumpy?
If your milk is clumpy is it sour probably by setting out to long. This clumping is called curdling, and is something that happens naturally if milk has been left out in room temperature for too long or if it reacts to some enzyme or bacteria that causes it to curdle.
Where does curdling of milk occur in the digestive tract?
In your stomach.
Why are microorganisms useful in food production?
Because it can help with the purification, in the process of curdling milk etc.. It also helps you to convert Milk into other products, such as cheese and yoghurt. Enjoy! Andrew
