United States raw milk debate systematic review of the food safety of unpasteurized milk concluded that science-based data to substantiate claims of health benefits "are lacking or do not exist" and the risks associated with disease outbreaks as a result of raw milk consumption are "considerably higher". Pasteurization was first used in the United States in the 1890s after the discovery of germ theory to control the hazards of highly contagious bacterial diseases, including bovine tuberculosis and brucellosis, that could be easily transmitted to humans through the drinking of raw milk. Initially after the scientific discovery of bacteria, no product testing was available to determine
Donkey milk aspects: spreadability, total appearance, smoothness, moisturisation and total effectiveness . The overall judgement also resulted highest for face cream made with donkey milk Today, donkey milk is still used in the manufacture of soaps and creams with donkey's milk. This product is made to safeguard the highest biological quality of donkey milk, so to preserve its nutritional, functional and cosmetic properties. This is possible because with freeze-dried the milk is frozen and brought under vacuum at low temperatures. During this process the water is removed by sublimation. The result is approximately ten percent of solid substance what is called donkey