Do you know What is Yakult and Buttermilk. If you are looking for the definition of Yakult and Buttermilk or want to know what is Yakult and Buttermilk?, then this is where you will fetch your answers. Well, in simple terms Yakult is a probiotic dairy product made by fermenting a mixture of skimmed milk with a special strain of the bacterium Lactobacillus casei Shirota. While Buttermilk is a liquid made by the process of churning butter out of cream. Both these products are unique in their own ways. Yakult is a Not Available colored dairy product and Buttermilk 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. Yakult bears Refreshing, Sweet and Tangy flavor with a Milky aroma whereas Buttermilk has Sour flavor and a Sour smell aroma. The color, flavor and the aroma of these products depict their origin. Yakult originated in Japan, whereas origin of Buttermilk is traced back to India.