Sour milk can be bought in stores, but you should check its ingredients: milk and lactic acid bacteria cultures. However, ...

I therefore concluded that electricity has no direct agency in turning sweet into sour milk during a thunder ... to the development of lactic acid in the milk. It was this acid which, in the ...

The name sour cream sounds a bit like a ... However, if mare's milk is fermented, the lactose becomes lactic acid, which makes it easier on the tongue as well as the stomach.

During this time bacteria and yeasts in the kefir grains turn the sugars in milk into lactic acid, making it taste slightly sour, says Tayler Silfverduk, a registered dietitian with a private ...

when kefir grains are added to milk and left for 24 hours, the microorganisms multiply and this starts the fermentation process, turning the lactose into lactic acid. Bang: you've got DIY kefir.

These days it is commonly made commercially; a bacterial culture being added to skimmed or whole milk. Buttermilk has a slightly sour taste and the lactic acid in combination with baking soda or ...