thumb|A 1912 Chicago Department of Health poster explains household pasteurization to mothers.
I cannot provide an accurate overview based solely on the context given, as it only describes a historical poster without explaining what pasteurization actually is or why it matters. To write an accurate, factual overview, I would need additional information about pasteurization's definition and purpose.
AI-generated from the Wikipedia summary — may contain errors.
thumb|A 1912 Chicago Department of Health poster explains household pasteurization to mothers.
In food processing, pasteurization (-isation) is a process of food preservation in which packaged foods (e.g., milk and fruit juices) are treated with mild heat, usually to less than , to eliminate pathogens and extend shelf life. Pasteurization either destroys or deactivates microorganisms and enzymes that contribute to food spoilage or the risk of disease, including vegetative bacteria, but most bacterial spores survive the process.
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