Buttermilk is primarily due to lactic acid produced by lactic acid bacteria while fermenting lactose, the primary sugar in milk. As the bacteria produce lactic acid, the pH of the milk decreases and casein, the primary milk protein, precipitates, causing the curdling or clabbering of milk. This process makes buttermilk thicker than plain milk. While both traditional and cultured buttermilk contain lactic acid, traditional buttermilk tends to be less viscous, whereas cultured buttermilk is more viscous. Buttermilk can be drunk straight, and it can also be used in cooking. Soda bread is a bread in which the acid in buttermilk reacts
Wheat flour the composition of National Flour was conducted for the period 1946–1950. National Flour was discontinued in 1956 against the recommendations of the MRC as the government considered that the addition of nutritional supplements to refined flour removed the necessity for using National Flour on health grounds. National Flour was also a term for a flour introduced in Kenya by the colonial government which contained 70% wheat flour and 30% maize flour. Wheat flour Wheat flour is a powder made from the grinding of wheat used for human consumption. Wheat varieties are called "soft" or "weak" if gluten content is low,