Why Oat Milk Has a Long Shelf Life: The Science Behind It

Discover why oat milk lasts longer with ultra-high temperature processing and airtight packaging.

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Oat milk's long shelf life is attributable to the ultra-high temperature (UHT) processing, which involves heating the milk to around 280°F (138°C) for a few seconds. This process kills bacteria and microorganisms, extended by airtight packaging that prevents contamination. Always check for storage directions on the package, as some oat milk needs refrigeration after opening.

FAQs & Answers

  1. How should I store oat milk after opening? After opening, most oat milk should be refrigerated and consumed within 7-10 days. Always check the packaging for specific storage instructions.
  2. What is UHT processing? UHT, or ultra-high temperature processing, heats liquids to around 280°F for a few seconds to kill bacteria, extending shelf life significantly.
  3. Does oat milk expire? Yes, oat milk can expire. Unopened, it typically lasts for months past the printed date if stored properly, but opened oat milk should be consumed within a week or so.

Watch More

For more insights into dairy alternatives, check out our articles on almond milk benefits and the best ways to store nut-based milk options. Expand your knowledge on plant-based beverages!

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