Why does pasteurized milk last longer than non pasteurized milk?



  1. 0 Votes

    Pasteurization is a process which uses heat to reduce the number of bacteria in the milk. It is this bacteria that makes the milk “go bad.” So decreasing their number prolongs the shelf life of the milk. Pasteurization doesn’t removal all bacteria (some bacteria is actually good for you), so even pasteurized milk will “go bad” eventually.

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