Yogurt tastes sour because of the fermentation process that occurs when bacteria in the yogurt culture feed on the sugars in the milk, producing lactic acid as a byproduct. This lactic acid gives yogurt its tangy and sour flavor.
because of the lactic acid bacteria put in it
its out of date
The sour taste in yogurt and some cheeses is caused by lactic acid, which is produced by bacteria fermenting lactose, a sugar found in milk. This fermentation process gives these dairy products their tangy flavor.
Lactic acid produced by fermentation.
Lactic acid produced by fermentation.
It could be the flavoring, how old the yogurt is. But it is not normally sour.
a more tart tasteImproved answer:Not really. It doesn't really make much of a difference; but I actually use plain yogurt instead of sour cream. Also, plain yogurt would be better for you, for your health. Taste-wise, though, I think there's hardly a difference, unless your very sensitive in that way.
Sour Yogurt
Acids have a sour taste.
Food tastes sour when it contains high amounts of acids, such as citric acid or acetic acid. These acids stimulate taste receptors on our tongue that are sensitive to sour flavors, sending signals to our brain that we perceive as sourness. Examples of sour foods include lemons, vinegar, and certain dairy products like yogurt.
Yes, raspberries can be sour in taste.
Bases have a bitter taste, not a sharp or sour taste. This is in contrast to acids, which typically have a sour taste.