Storing dry yeast in freezer?

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Is it true that storing dry active yeast in the freezer helps to retain its lifting power? How long can it be stored this way?
Best Answer
Forever?
Years, anyway.
I bought 2 pounds of yeast at Sam's Club about 3 years ago and it still works great.
Just make sure you keep it very dry and very cold.
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Quick Answer about "Storing dry yeast in freezer?"
Yes, you can store yeast in the freezer, whether it is opened or unopened. Once opened, be sure to store dry yeast in an airtight container in the freezer for up to six months. Fresh yeast should not be frozen.Can you store dry yeast in the freezer?
Newly purchased yeast (with good purchase-by date), can be stored in a cool location (pantry or cabinet), refrigerated, or frozen for up to two years. Once the yeast is opened, it's best kept in the refrigerator to use within four months, and six months \u2013 if kept in the freezer.Does freezing yeast ruin it?
Freezing keeps the yeast in a dormant stage so that it remains active when you need to use it. Freezing will not kill the active ingredient. You can pop it in the freezer in its original packaging if still unopened.How do you store freeze dried yeast?
Stored in the freezer, our dry yeast will keep for months past that expiration date. Far from hurting the little yeast cells, freezing puts them in a state of suspension. Keep them in an airtight container where they are protected from oxygen and humidity. The glass jar the yeast comes in is usually just fine.Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
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