Buffalo mozzarella both because of its strength and the size of its hooves, which do not sink too deeply into moist soils." References to cheese products made from water buffalo milk appeared for the first time at the beginning of the twelfth century. Buffalo mozzarella became widespread throughout the south of Italy from the second half of the eighteenth century, before which it had been produced only in small quantities. Production in and around Naples was briefly interrupted during World War II, when retreating German troops slaughtered the area's water buffalo herds, and recommenced a few years after the armistice was signed.
Milk lactose in milk. People therefore converted milk to curd, cheese and other products to reduce the levels of lactose. Thousands of years ago, a chance mutation spread in human populations in Europe that enabled the production of lactase in adulthood. This mutation allowed milk to be used as a new source of nutrition which could sustain populations when other food sources failed. People process milk into a variety of products such as cream, butter, yogurt, kefir, ice cream, and cheese. Modern industrial processes use milk to produce casein, whey protein, lactose, condensed milk, powdered milk, and many other food-additives and