Do you know What is Buttermilk and Cow milk. If you are looking for the definition of Buttermilk and Cow milk or want to know what is Buttermilk and Cow milk?, then this is where you will fetch your answers. Well, in simple terms Buttermilk is a liquid made by the process of churning butter out of cream. While Cow milk is the milk obtained by milking cows. Both these products are unique in their own ways. Buttermilk is a Not Available colored dairy product and Cow milk is Not Available colored. The food gets it color dependent on the ingredients used and the preparation methods employed. Sometimes artificial food colors are added to give the dairy product, a gourmet look. Apart from their color what distinguishes them is their flavor and aroma. Buttermilk bears Sour flavor with a Sour smell aroma whereas Cow milk has Creamy, Sweet and Warm flavor and a Milky aroma. The color, flavor and the aroma of these products depict their origin. Buttermilk originated in India, whereas origin of Cow milk is traced back to Unknown.