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jmacphoto.com, Flickr
The act of heating a food or beverage, like milk or beer, to a specific temperature for a specific period of time in order to kill microorganisms that cause spoilage, undesired fermentation or disease is called pasteurization. Another method used in recent years is flash pasteurization which uses higher temperatures and shorter time periods to pasteurize the product.
Recently in the pasteurization of milk, discoveries have been made that widespread and heat resistant pathogens are surviving the process. New methods are allowing researchers to identify these pathogens and find new ways to remove them for safe consumption.
The overall goal of the pasteurization process is to prevent disease. Some of the illnesses that pasteurization prevents: tuberculosis, diphtheria, salmonella, polio and typhoid fever.
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