Do you know What is Buttermilk and Curd. If you are looking for the definition of Buttermilk and Curd or want to know what is Buttermilk and Curd?, 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 Curd is a soft, white substance formed when milk coagulates, used as the basis for cheese. Both these products are unique in their own ways. Buttermilk is a Not Available colored dairy product and Curd is White 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 Curd has Sour flavor and a Fresh and Sour smell aroma. The color, flavor and the aroma of these products depict their origin. Buttermilk originated in India, whereas origin of Curd is traced back to Unknown.