what is lactose fermentation
Milk-based products are rich in both lactic acid and the protein casein. Lactose fermentation to lactic acid increases the food acidity; the acid combines with the casein, and the two coagulate and precipitate.The precipitate is then removed from the milk, and the dairy product derived from it is low in â or free of â lactose.ilk-based products are rich in both lactic acid and the protein casein. Lactose fermentation to lactic acid increases the food acidity; the acid combines with the casein, and the two coagulate and precipitate.