Shelf Life Tips
- How long does unopened shelf-stable, ultra-high temperature (UHT) milk last? The precise answer to the question depends to a large extent on storage conditions - store unopened packages of shelf-stable UHT milk (UHT milk that has been sold unrefrigerated) in a cool, dark area.
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To extend the shelf life of unopened shelf-stable UHT milk, keep unopened shelf-stable UHT milk away from direct sources of heat or light.
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How long does unopened shelf-stable UHT milk last at room temperature? Properly stored, unopened shelf-stable UHT milk will generally stay at best quality for about 2 to 4 weeks after the date on the package when stored at room temperature.
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Is unopened shelf-stable UHT milk safe to drink after the "expiration" date on the package? Yes, provided it is properly stored and the package is undamaged - commercially packaged shelf-stable UHT milk will typically carry a "Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the unopened shelf-stable UHT milk will remain at peak quality.
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Storage times shown are for best quality only - after that, the unopened shelf-stable UHT milk's color or taste may change, but in most cases, it will still be safe to consume if it has been stored properly, the package is undamaged, and there are no signs of spoilage (see below).
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How to tell if shelf-stable UHT milk is bad? If shelf-stable UHT milk develops an off odor, flavor or appearance, it should be discarded.
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Sources: For details about data sources used for food storage information, please click here
