Milk becomes sour due to bacteria. When bacteria such as Lactobacillus ferment the lactose in milk, they produce lactic acid. This acid causes the milk to curdle and become sour. Bacterial action is a natural process in the souring of ...
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Milk becomes sour due to bacteria. When bacteria such as Lactobacillus ferment the lactose in milk, they produce lactic acid. This acid causes the milk to curdle and become sour. Bacterial action is a natural process in the souring of ...