Which processing method yields a shelf-stable milk without refrigeration?

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Multiple Choice

Which processing method yields a shelf-stable milk without refrigeration?

Explanation:
Ultra-high temperature processing makes milk shelf-stable at room temperature by rapidly heating it to very high temperatures (about 135–150°C) for a few seconds and then aseptically packaging it. This intense heat kills nearly all bacteria and spores and prevents recontamination, so unopened milk can be stored without refrigeration until opened. Pasteurization uses lower heat and still relies on refrigeration to slow spoilage. Fermentation alters the product with microbial cultures and typically requires refrigeration. Skim processing removes fat but doesn’t extend shelf life.

Ultra-high temperature processing makes milk shelf-stable at room temperature by rapidly heating it to very high temperatures (about 135–150°C) for a few seconds and then aseptically packaging it. This intense heat kills nearly all bacteria and spores and prevents recontamination, so unopened milk can be stored without refrigeration until opened. Pasteurization uses lower heat and still relies on refrigeration to slow spoilage. Fermentation alters the product with microbial cultures and typically requires refrigeration. Skim processing removes fat but doesn’t extend shelf life.

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