Unopened boxes last much longer without refrigeration, and heres how.
In Europe, shelf-stable milk is a staple in many grocery stores and markets.
Shoppers are used to seeing the boxes, often stacked nearcontainers of mueslifor a hearty breakfast option.
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But what is shelf-stable milk, and how does it work?
The experts atMaple Hill Creameryfilled us in.
What Is Shelf-Stable Milk?
Why Doesn’t Shelf-Stable Milk Need Refrigeration?
Pasteurizationand sterile packaging allow for the shelf-stable storage of milk.
To process shelf-stable milk, two steps must happen concurrently.
Milk is pasteurized between 280F to 302F for 2 to 6 seconds.
The next step is the pasteurized milk traveling to the sterile containers located in a sterile packaging environment.
How Long Does Shelf-Stable Milk Last?
The shelf life of shelf-stable milk varies by product and package, says Joseph.
Once open, shelf-stable milk should be stored in the refrigerator and is best for5 to 7 daysafter opening.
Is Shelf-Stable Milk Safe?
Shelf-stable milk is absolutely safe for all ages, says Joseph.
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Can Shelf-Stable Milk Be Refrigerated Then Left Out?
It can, but it’s not ideal.
If you repeatedly refrigerate then un-refrigerate shelf-stable milk, the frequent temperature changes can increase the risk of spoiling.
Can You Freeze Shelf-Stable Milk?
Joseph does not recommend freezing their shelf-stable milk.
