Does the brewer’s yeast go bad?

In this brief guide, we are going to answer the question “does the brewer’s yeast go bad” with an in-depth analysis of whether or not brewer’s yeast goes bad. Moreover, we are going to discuss the proper way to store the yeast and the ways to spot yeast that has gone bad.

So without much ado, let’s dive in and figure out more about it.

Does the brewer’s yeast go bad?

Yes, like all other food items, brewer’s yeast also goes bad after a certain time. When we say that brewer’s yeast goes bad, what we are referring to is that its potency and effectiveness would have degraded.

Brewer’s yeast is made from the Saccharomyces Cerevisiae and is used in beer and wine production. If properly stored, it lasts for a long time.

What is the nutritional profile of brewers yeast?

Brewer’s yeast is a probiotic that helps in the process of digestion. Moreover, it can also serve as a nutritional supplement as it is rich in selenium, potassium, iron, zinc, protein, chromium, and magnesium.

Moreover, it also contains many vitamins like thiamin, riboflavin, niacin, pantothenic acid, pyridoxine, folic acid, and biotin.

How to store brewer’s yeast?

Brewer’s yeast should be stored in a cool, dry, and dark place away from direct sunlight, heat, and moisture. Unopened dry brewer’s yeast lasts for about 12-18 months or even more when stored in a cool, dry, and dark place away from direct sunlight, heat, and humidity. Thus, you can store an unopened pack of brewers yeast in a cool and dry corner of your pantry.

Opened packages of brewer’s yeast should be stored in an air-tight container or plastic zipper bag in the refrigerator to preserve its freshness for a long time.

It is worth mentioning that the sunlight, oxygen, and moisture can degrade the quality of the brewer’s yeast and can also shorten its shelf life therefore care should be taken while handling the yeast.

Can open brewer’s yeast be stored in the fridge?

Yes, opened brewer’s yeast can be stored in the fridge. Dry brewer’s yeast lasts for about a year in the fridge when kept at or below 40 °F in an air-tight container or plastic zipper bag but you should use it within 4 months to enjoy its prime quality. 

When it comes to fresh brewer’s yeast, it has a short shelf life and should be used within 10 days.

Can the brewer’s yeast be stored in the freezer?

Yes, the brewer’s yeast can be stored in the freezer and the frozen brewer’s yeast has a longer shelf life than its counterparts. It can be stored in a plastic freezer bag or air-tight container in the freezer for years but we recommend you to use the brewer’s yeast within 6 months to enjoy its best quality.

Is unopened brewer’s yeast safe to use after “best by date?

There must be written the “best by” or “best before date” written on the package off the yeast, but you should always keep one thing in mind that the “best before” or the “best by” dates are mainly focused on the quality rather than the safety. Thus you will get the best quality of the yeast within the “best by” or “best before date” but you can still use the unopened, properly stored dry yeast even after some time from this date.

How to tell if the brewer’s yeast has gone bad?

If you notice the dry brewer’s yeast clumping together, or if there are large lumps present in the yeast, or if there are any signs of organic growth in the container of yeast, then it is an indication that your yeast has gone bad. 

Moreover, if the color of the brewer’s yeast darkens (from beige to more of a grey one) then it is the indication that your brewer’s yeast has gone bad.

How can you tell if yeast is still good to use?

So what you can do to check the efficiency of the dry yeast is to take ¼ cup of warm water and add 1 tsp of sugar to it. Afterward, add 2¼  tsp of brewer’s yeast to it or you can add an envelope of yeast to it. Let it stand for approximately 10 minutes. If you see the foam formation in the water after 10 minutes, then it is the indication that the yeast is still good to use.

Tips to keep the brewer’s yeast fresh for a long time

  1. In the case of the unopened dry brewer’s yeast, you should store it in a cool, dry, and dark corner of your pantry or kitchen cabinet away from direct sunlight and heat.
  2. You should never store brewer’s yeast in a humid environment.
  3. You should always store the opened brewer’s yeast in an air-tight container or plastic zipper bag at or below 40°F in the refrigerator.
  4. You should not use a wet spoon to scoop out the dry yeast.
  5. Close the lid of the jar as soon as you scoop out the dry yeast so that the moisture won’t find its way in your yeast and spoil it.

Conclusion

In this brief guide, we answered the question “does the brewer’s yeast go bad” with an in-depth analysis of whether or not brewer’s yeast go bad. Moreover, we discussed the proper way to store the yeast and the ways to spot yeast that has gone bad.

Citations

https://www.cookist.com/expired-brewers-yeast-lets-see-how-it-can-be-used/

https://www.sharecare.com/health/food-storage-health/how-should-store-brewers-yeast

https://www.doesitgobad.com/does-yeast-go-bad/

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Mahnoor Asghar is a Clinical Nutritionist with a bachelor's degree in Nutrition and Dietetics. She is compassionate and dedicated to playing her part in the well-being of the masses. She wants to play a fruitful role in creating nutrition and health-related awareness among the general public. Additionally, she has a keen eye for detail and loves to create content related to food, nutrition, health, and wellness.

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