Can Sauerkraut Go Bad? Your Guide to Safe Consumption

can sauerkraut go bad
16 min reading time

Sauerkraut, a tangy and flavorful fermented cabbage dish, has been enjoyed for centuries. However, just like any food, sauerkraut can go bad if not stored or handled properly. If you are wondering whether sauerkraut expires or if it has a shelf life, you have come to the right place.

In this section, we will explore can sauerkraut go bad and discuss its shelf life. We will also address the important question of whether sauerkraut can expire and provide you with tips on how to safely consume and store your sauerkraut.

Key Takeaways

  • Sauerkraut can go bad if not stored or handled properly
  • Sauerkraut has a typical shelf life, but this can vary depending on the storage conditions
  • Expired or spoiled sauerkraut can be harmful to your health
  • Proper storage techniques and preservation methods can help extend sauerkraut’s shelf life
  • Sauerkraut offers various nutritional benefits and can be a versatile ingredient in many dishes

Understanding Sauerkraut’s Shelf Life

Have you ever wondered how long your sauerkraut will last in the fridge? The answer depends on several factors, including how it was stored, the quality of the ingredients, and whether it was opened or sealed.

Generally, sauerkraut can last anywhere from one to six months in the refrigerator, but this can vary depending on the type of sauerkraut and how it was prepared. Homemade sauerkraut usually has a shorter shelf life than store-bought sauerkraut due to the lack of preservatives.

Factors Affecting Shelf Life

Several factors can impact the shelf life of sauerkraut. These include:

  • Exposure to air: Once opened, sauerkraut can quickly spoil if not stored properly.
  • Temperature: Sauerkraut should be kept cool and out of direct sunlight to prevent spoilage.
  • Quality of ingredients: The quality of the ingredients used to make the sauerkraut can affect its shelf life.
  • Packaging: Store-bought sauerkraut is typically packaged in airtight containers to prolong its shelf life. Once opened, it should be transferred to an airtight container and refrigerated.

Sauerkraut Expiration Dates

Unlike many other foods, sauerkraut does not have an expiration date. Instead, it has a “best by” or “use by” date that indicates the date by which it is expected to maintain its quality.

It’s important to note that these dates are just guidelines and not hard and fast rules. Sauerkraut can still be safe to eat even if it has passed its “best by” date, as long as it was stored properly and shows no signs of spoilage.

Storing Sauerkraut

To ensure your sauerkraut lasts as long as possible, it’s important to store it properly. Whether homemade or store-bought, sauerkraut should always be refrigerated in an airtight container once opened. This prevents exposure to air and helps minimize the risk of spoilage.

If storing homemade sauerkraut, be sure to use clean, sanitized containers and utensils to prevent contamination. Additionally, consider fermenting the sauerkraut in smaller batches to improve freshness and decrease the risk of spoilage.

Overall, understanding sauerkraut’s shelf life and taking proper storage precautions can help ensure that your sauerkraut remains fresh and flavorful for as long as possible.

Signs of Spoiled Sauerkraut

Sauerkraut is a fermented food made from cabbage. While it can last for a relatively long time, there are signs to look out for that indicate it has gone bad and should not be consumed. Below are some of the spoilage indicators to watch out for:

Visual ChangesThe sauerkraut may develop mold or a slimy texture. The cabbage may also change color and become brown or discolored. If you notice any of these changes, discard the sauerkraut.
Odor ChangesGood sauerkraut has a pleasantly sour smell. If you notice a foul odor, the sauerkraut has gone bad.
Texture ChangesSauerkraut should have a crunchy texture. If it feels mushy or slimy, it has gone bad and should not be consumed.

If you notice any of these signs of spoiled sauerkraut, it is important to discard it promptly. Eating spoiled sauerkraut can lead to foodborne illnesses and other health risks.

How to Avoid Spoilage

To avoid spoiled sauerkraut, it is essential to store it correctly. Keep it in an airtight container in the refrigerator, and avoid exposing it to light and air. Additionally, using clean utensils and keeping your hands clean while handling the sauerkraut can help prevent contamination.

By following proper storage techniques and keeping an eye out for spoilage indicators, you can enjoy sauerkraut safely and with peace of mind.

Factors Affecting Sauerkraut’s Freshness

Can Sauerkraut Go Bad

Sauerkraut is a traditional dish made of fermented cabbage that has been enjoyed by many cultures for centuries. Its popularity has only increased with time, thanks to its unique flavor, numerous health benefits, and versatility. However, like any food, sauerkraut’s quality and freshness depend on how it is stored and handled. Here are some factors that can affect sauerkraut’s freshness:


Sauerkraut should be stored at a temperature of around 32 to 40 degrees Fahrenheit, similar to that of a refrigerator. If the temperature is too high, the fermentation process will continue, and the sauerkraut will spoil quickly. On the other hand, if the temperature is too low, the fermentation process may slow down, which may affect the sauerkraut’s flavor and texture.

Exposure to Air

Once opened, sauerkraut should be stored in an airtight container to prevent exposure to air. Oxygen can hasten the fermentation process and encourage the growth of unwanted bacteria, leading to spoilage. Additionally, it is best to avoid opening and closing the container frequently, as this can introduce more oxygen and affect the sauerkraut’s freshness.


Sauerkraut’s acidity plays a crucial role in its shelf life. If the acidity level is too low, the sauerkraut may become a breeding ground for harmful bacteria, resulting in spoilage. On the other hand, if the acidity level is too high, the sauerkraut may become too sour. Therefore, it is essential to monitor the sauerkraut’s acidity level during the fermentation process and adjust it accordingly.


Contamination is another factor that can affect sauerkraut’s freshness. It is best to handle sauerkraut with clean hands and utensils to avoid introducing harmful bacteria. Additionally, it is essential to choose fresh, high-quality cabbage when making homemade sauerkraut to avoid contamination from the start.

By taking these factors into account, you can ensure that your sauerkraut stays fresh and flavorful for as long as possible. Proper storage and handling are key to maintaining sauerkraut’s quality and maximizing its health benefits.

Does Sauerkraut Expire?

One of the most common questions about sauerkraut is whether it has an expiration date or not. While sauerkraut can last for a long time when correctly stored, it can eventually go bad. The shelf life of sauerkraut may differ depending on the type and the preservation method used.

So, does sauerkraut expire? The answer is no. Sauerkraut does not come with an expiration date, but it has a best-by date indicating how long it can retain its quality and freshness. After the best-by date, sauerkraut may lose its flavor or texture, making it less appealing to consume. However, it is essential to note that if sauerkraut is not stored correctly or is past its best-by date, it can become unsafe to consume.

The best-by date is a guide to help you maintain the quality of your sauerkraut. After this date, you may still consume sauerkraut, but you may notice changes in its appearance, taste, and texture. Keep in mind that the best-by date does not imply that sauerkraut will instantly go bad or become harmful.

Proper Storage Techniques

Storing sauerkraut properly is essential to maintain its quality and prevent spoilage. Here are some sauerkraut storage tips to help keep your cabbage fresh for longer:

  1. Store sauerkraut in an airtight container: Sauerkraut can easily pick up odors and flavors from its surroundings, so it is best to keep it in an airtight container.
  2. Choose the right container: Glass jars or food-grade plastic containers are the best choices for storing sauerkraut. Avoid metal containers, as the acids in sauerkraut can cause a reaction with the metal.
  3. Keep it in the fridge: Sauerkraut should be stored in the refrigerator at a temperature below 40°F (4°C).
  4. Do not freeze sauerkraut: Freezing can change the texture of the sauerkraut and affect its flavor.
  5. Keep the sauerkraut submerged in brine: When storing sauerkraut, it is important to keep it fully submerged in its brine. This helps to prevent spoilage and maintain its flavor.

Storing Homemade Sauerkraut

Homemade sauerkraut can be stored for up to six months in the refrigerator, provided it is stored in an airtight container and the brine fully covers the cabbage.

Type of SauerkrautStorage Time
Homemade SauerkrautUp to 6 months in the refrigerator
Store-Bought Sauerkraut (unopened)Up to 1 year from the manufacture date in the pantry or refrigerator
Store-Bought Sauerkraut (opened)Up to 2 weeks in the refrigerator

Storing Store-Bought Sauerkraut

If unopened, store-bought sauerkraut can last up to one year from the manufacture date when stored in the pantry or refrigerator. Once opened, it is best to transfer the sauerkraut to an airtight container and store it in the refrigerator for up to two weeks.

Remember, these are just guidelines. Always check for signs of spoilage before consuming sauerkraut even if it is within its recommended storage time. Proper storage and handling of sauerkraut will help you enjoy its taste and health benefits for an extended period.

Preserving Sauerkraut for Long-Term Use

While sauerkraut has a relatively long shelf life when stored correctly, there are times when you may want to preserve it for long-term use. Whether you have an abundance of homemade sauerkraut or want to take advantage of bulk sales, several methods can keep your sauerkraut fresh beyond its usual shelf life.


Fermentation is one of the oldest methods of food preservation, and it’s an excellent way to prolong sauerkraut’s shelf life. To ferment sauerkraut, you’ll need a fermenting vessel, salt, and water. Salt will help create an environment where beneficial bacteria can thrive, while the water will keep the sauerkraut submerged and anaerobic. You can add additional seasonings or vegetables to the fermenting vessel to create a unique flavor profile.

First, shred your cabbage and add salt. Next, pound or knead the cabbage to release its juices. Afterward, press the cabbage into a fermenting vessel and add water until it’s submerged. Cover the vessel, and after a few days, your sauerkraut will be ready to eat. Fermented sauerkraut can last for several months in the refrigerator, making it a great preservation method for bulk batches.


Canning is another preservation method that can extend sauerkraut’s shelf life. To can sauerkraut, you’ll need a pressure canner, jars with lids, and sauerkraut. The first step is to prepare the jars and lids by washing them in hot, soapy water. Then pack the jars with sauerkraut, leaving about an inch of headspace. Wipe the rims with a clean, damp cloth, and place the lids and rings on top.

Next, place the jars in the pressure canner and add water according to the manufacturer’s instructions. Lock the lid, and once the pressure is reached, let the jars cook for the recommended time. Afterward, remove the canner from the heat and let it cool naturally. When it’s safe to open, remove the jars and check that they’ve sealed correctly. Canned sauerkraut can last for up to 12 months in a cool, dark place.


If you’re short on time or don’t have the necessary equipment for fermentation or canning, freezing is a quick and easy preservation method. To freeze sauerkraut, pack it into freezer-safe containers or bags, leaving a bit of headspace for expansion. Squeeze out as much air as possible, seal the container or bag, and label it with the date.

Frozen sauerkraut can last for up to 8 months in the freezer, but it may lose some of its texture and flavor. When thawing frozen sauerkraut, it’s best to let it thaw slowly in the refrigerator. You can also use frozen sauerkraut in cooked dishes, such as casseroles or stews.

Preserving sauerkraut can be an excellent way to enjoy its flavor and probiotic benefits for an extended period. Whether you choose to ferment, can, or freeze your sauerkraut, these preservation methods can help you reap the rewards of this tangy and versatile food.

Recommended Sauerkraut Storage Times

Knowing how long sauerkraut can be stored before its quality deteriorates is important to ensure maximum enjoyment. Here are some recommended sauerkraut storage times:

Sauerkraut TypeStorage Time
Homemade Sauerkraut2-4 weeks in the refrigerator
6-8 months in the freezer
Unopened Store-Bought SauerkrautUp to 12 months in the pantry
Refer to the expiration date on the package
Opened Store-Bought Sauerkraut2 weeks in the refrigerator
6-8 months in the freezer

It’s important to note that these are just guidelines for optimal freshness. Depending on factors like storage conditions and exposure to air, sauerkraut may remain safe to eat beyond these recommended storage times.

Enhancing Sauerkraut’s Shelf Life

Proper storage is key to maximizing the shelf life of sauerkraut. Here are some additional tips to help you keep your sauerkraut fresh for longer:

  • Avoid Exposure to Air: Air can cause sauerkraut to spoil quickly. Make sure to store your sauerkraut in airtight containers, and press down the cabbage to remove any air pockets before sealing.
  • Keep it Cool: Sauerkraut should be stored at a temperature between 32-40°F (0-4°C). Keeping it in the refrigerator can prolong its freshness. If storing sauerkraut in a pantry or cupboard, try to keep it in the coolest area away from heat sources.
  • Use Fresh Ingredients: Fresh cabbage makes the best sauerkraut. Using old, wilted, or bruised cabbage can cause the sauerkraut to spoil more quickly.
  • Sanitize Utensils: Always make sure your utensils and storage containers are clean and sanitized before using them to make or store sauerkraut. This helps prevent contamination from harmful bacteria.
  • Keep Track of Storage Time: Don’t rely solely on expiry dates. Regularly check on your sauerkraut and mark the date when you made it or when you opened the package to help you keep track of how long it has been stored.

By following these tips, you can help extend the shelf life of your sauerkraut without sacrificing taste or quality.

Risks of Consuming Spoiled Sauerkraut

Sauerkraut is a healthy and delicious food, but consuming spoiled sauerkraut can pose risks to your health. It is essential to recognize the signs of spoiled sauerkraut to prevent yourself from getting sick.

Some of the most common sauerkraut spoilage indicators include:

  • Discoloration: If the sauerkraut has turned brown or dark, it is likely that it is spoiled.
  • Odor: If your sauerkraut smells off or has a foul odor, it may no longer be fresh.
  • Mold: If you notice any mold growing on the sauerkraut, it is best to discard it immediately as it can cause serious health problems.
  • Texture: If the texture of the sauerkraut is slimy or mushy, it is a clear sign that it is no longer good to eat.

Consuming spoiled sauerkraut can cause foodborne illnesses such as botulism, salmonella, and E. coli. Symptoms can include nausea, vomiting, diarrhea, and stomach cramps. In severe cases, they can lead to hospitalization.

It is always better to be safe than sorry when it comes to consuming expired food.

If you suspect that your sauerkraut has gone bad, it is best to throw it away and not take any chances. It is also essential to follow proper sauerkraut storage techniques to avoid spoilage and ensure your safety.

Sauerkraut’s Versatility and Nutritional Benefits

Sauerkraut is much more than a tangy condiment. It is a versatile food that can be used in various dishes and provides an array of nutritional benefits.

One of the most notable benefits of sauerkraut is its probiotic properties. It is a natural source of gut-friendly bacteria that can improve digestion and boost the immune system. Sauerkraut is also low in calories and high in fiber, making it an ideal addition to a healthy diet.

Another advantage of sauerkraut is its versatility in cooking. It can be added to sandwiches, hot dogs, salads, or even used as a topping for pizza. Sauerkraut can also be used in traditional dishes such as German sausages and stews, Eastern European pierogies, and Korean kimchi. Its unique flavor profile adds a tangy and acidic kick to any meal.

When it comes to freshness, homemade sauerkraut is the best option. By making it yourself, you can control the fermentation process and ensure that the sauerkraut is free of preservatives and additives. While store-bought sauerkraut is a convenient option, it may contain extra salt or vinegar that can affect its freshness and nutritional value.

Overall, sauerkraut is a versatile and nutritious food that can add flavor and health benefits to any meal. Whether you’re a fan of classic dishes or looking to experiment with new flavors, sauerkraut is a great choice to incorporate into your diet.


Sauerkraut is a tangy and versatile food that can add flavor and nutrition to a variety of dishes. However, it is important to understand how to properly store and handle sauerkraut to ensure its safety and quality. By following the guidelines outlined in this article, you can keep your sauerkraut fresh and tasty for an extended period.


What factors can affect sauerkraut’s shelf life?

Factors that can affect sauerkraut’s shelf life include temperature, exposure to air, and other external conditions.

How long can sauerkraut last when properly stored?

When properly stored, sauerkraut can last for several months to a year or more.

What are the signs of spoiled sauerkraut?

The signs of spoiled sauerkraut include changes in color, odor, and texture, such as mold, bad smell, or sliminess.

Does sauerkraut have an expiration date?

While sauerkraut does not have an exact expiration date, it can become unsafe to consume if it shows signs of spoilage.

How should sauerkraut be stored?

Sauerkraut should be stored in airtight containers, refrigerated, and kept away from light and heat sources to maintain its freshness.

How can sauerkraut be preserved for long-term use?

Sauerkraut can be preserved for long-term use through fermentation techniques, canning processes, or freezing.

What are the recommended storage times for sauerkraut?

Homemade sauerkraut can generally be stored for up to 6 months, while store-bought sauerkraut typically has a longer shelf life, up to 1 year or more.

How can sauerkraut’s shelf life be enhanced?

To enhance sauerkraut’s shelf life, it is important to handle it properly, avoid contamination, and follow suitable storage and preservation techniques.

What are the risks of consuming spoiled sauerkraut?

Consuming spoiled sauerkraut can lead to foodborne illnesses, causing symptoms such as nausea, vomiting, and diarrhea.

What are the nutritional benefits of sauerkraut?

Sauerkraut is a versatile food that offers nutritional benefits such as probiotics, vitamins, and minerals. It can support gut health and boost the immune system.

Read Also

About Author

Leave a Reply

Your email address will not be published. Required fields are marked * Protection Status

Win one of the 20 coolest kitchen gadgets!

Image of Chefd giveaway Nessie Ladle.

Surprises every month. The fun twist is that you can choose your own in the next step.


Chefd subscribers - contest