Is it safe to eat out-of-date mushrooms?

In this short article, we will provide an answer to the question “is it safe to eat out-of-date mushrooms?” and their storage and spoilage details.

Is it safe to eat out-of-date mushrooms?

No, it is not safe to eat out-of-date mushrooms. An upset stomach, cramps, and the risk of vomiting may occur after consuming aged mushrooms in some circumstances.

Nonetheless, the health hazards linked with old mushrooms are much greater in certain cases than in others.

How to tell if your mushrooms are no longer safe to eat?

Listed below are a few warning signs that you should avoid eating those wilted mushrooms from the refrigerator:

  • Fresh mushrooms that have been properly stored are not slimy. In most cases, when the mushrooms in your refrigerator begin to get slimy, this is the first sign that they should be thrown out. They are not a danger at the present, but the bulk of their remarkable characteristics have been lost, and it would be wise to remove them and replace them with fresh ones to avoid further damage. Furthermore, they lack the distinct flavor that is associated with fresh mushrooms.
  • Mushrooms that have been sitting in your refrigerator for a long amount of time do not always become slimy; instead, wrinkles appear as the first sign of aging. Additionally, wrinkles tend to dry out as they progress in age.
  • Darkening of mushrooms and the appearance of dark spots on the surface of the mushrooms
  • Dark stains on mushrooms are one of the most obvious signs that they have reached the end of their life cycle. The presence of black spots on your refrigerator mushrooms would be much appreciated if you checked them regularly. When their color starts to fade, you’ll be able to tell they’re not edible anymore.
  • In the case of foods that have been in your refrigerator for more than two weeks, they are considered to be beyond their expiry date and thus unsuitable to be consumed. When it comes to concentrating solely on the symptoms, individuals, on the other hand, often make a mistake at this point. Two weeks is a lengthy amount of time for mushrooms, and regardless of whether or not they exhibit signs of aging, you should avoid consuming them during that time.
  • Mushrooms develop a strong, unpleasant odor over time. Fresh mushrooms do not have this odor. You should not eat mushrooms if you notice this odor in your refrigerator since they are not safe to ingest.

What is the shelf life of mushrooms and how long do they last?

The vast majority of chefs and experts believe that raw mushrooms may be stored in the refrigerator for up to two weeks without degrading in quality. In contrast to other mushroom species, certain mushroom species maintain their viability for extended periods, while others degrade quickly. A variety of other factors, such as the temperature and humidity levels in the refrigerator, may have an impact on the freshness of mushrooms.

How should mushrooms be kept to extend their shelf life to the greatest extent possible?

The following are some ideas for preserving mushrooms to ensure that you get the most out of them before they degrade further.

  • Allow them to take deep breaths without restriction. Mushrooms should be stored in a way that allows them to breathe while also preventing them from becoming too dry. It is common practice to keep them inside the refrigerator in a paper bag with the top folded up loosely.
  • If at all possible, retain them in the packaging that came with them. One of the most effective ways of storing them is to keep them in their original, sealed containers or bags as long as possible. When you get them home, you won’t have to worry about moving them to another container since they’ll be packaged in a cardboard tube covered with plastic. After they have been sealed, they should not be opened or tampered with until they are ready to be used.
  • Mushrooms may be frozen and used at a later time. Uncooked mushrooms, on the other hand, are considerably more difficult to freeze owing to the high water content of the mushrooms. Then, freeze them on parchment paper for a few minutes, and then immediately place them in a zip-top bag with the air pushed out as much as possible. Cook them first, and then store them in airtight containers or freezer bags until you’re ready to use them.


In this short article, we provided an answer to the question “is it safe to eat out-of-date mushrooms?” and their storage and spoilage details.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.