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What is the shelf life of yeast?

Updated: 10/7/2023
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Wiki User

13y ago

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That depends upon the type of yeast - fresh compressed cake, active dry or rapid-rise. If you are talking about the fresh compressed yeast cake, I would not plan on using it after the expiration date. The activity may be too little and you'd be wasting your time and ingredients.

I have stored rapid-rise in my freezer and used it successfully significantly beyond the expiration. But I check the activity before use. To do that, dissolve 1tsp sugar in 1/2 cup warm water in a one-cup measure. Sprinkle in 2 1/4 tsp dry yeast. After 10 minutes, if the yeast is properly active, it should have bubbled up to the one-cup mark and you can use it in your recipe. If it doesn't get there, the yeast should be discarded. See Related Links.

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14y ago
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13y ago

Yeast can last up to a year on the shelf or 3-5 if kept in a freezer

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12y ago

Dried yeast keeps indefinately if kept dry and away from sunlight. Fresh yeast will keep for between 7-14 days if refrigerated.

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13y ago

for about 5 years

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Q: What is the shelf life of yeast?
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