Do you know What is Curd and Whey Protein. If you are looking for the definition of Curd and Whey Protein or want to know what is Curd and Whey Protein?, then this is where you will fetch your answers. Well, in simple terms Curd is a soft, white substance formed when milk coagulates, used as the basis for cheese. While Whey is a natural substance, the liquid part of fresh milk that is left over from the making of cheese. Both these products are unique in their own ways. Curd is a White colored dairy product and Whey Protein 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. Curd bears Sour flavor with a Fresh and Sour smell aroma whereas Whey Protein has Depends upon added flavoring agents flavor and a Not Available aroma. The color, flavor and the aroma of these products depict their origin. Curd originated in Unknown, whereas origin of Whey Protein is traced back to Europe.