WHOLE MILK Since the dawn of pasteurization (using heat to kill pathogens), this myth has prevailed without scientific evidence. When pasteurization started to become more mainstream early last century, some people were suspicious of the technology. Subsequent analyses of the nutritional components of raw and pasteurized milk revealed no significant differences for the major nutritional components such as proteins, carbohydrates, and vitamins (7-10). View comparison of raw and pasteurized organic whole milk labels: