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Why Does Powdered Milk Have a Long Shelf Life? Explained

Discover why powdered milk lasts so long and how moisture removal and airtight packaging prevent spoilage effectively.

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Video transcript

Powdered milk has a long shelf life because the moisture content is removed during the drying process. Without moisture, bacterial growth is inhibited, which significantly slows down spoilage. Additionally, it is often packaged in airtight containers, further protecting it from air and moisture.

Questions and answers

  1. How does moisture affect powdered milk shelf life?

    Moisture promotes bacterial growth and spoilage; removing it during drying extends powdered milk’s shelf life significantly.

  2. What packaging methods help extend powdered milk shelf life?

    Airtight packaging protects powdered milk from exposure to air and moisture, helping maintain its quality and prolong shelf life.

  3. Can powdered milk spoil despite having low moisture?

    While powdered milk lasts longer due to low moisture, it can still spoil if exposed to moisture, heat, or contaminants after opening.

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