Can oat milk go bad?

In this short article, we will provide an answer to the question “Can oat milk go bad?” and the information on storing oat milk.

Can oat milk go bad?

Yes, there is the possibility that oat milk will deteriorate. After opening the carton or bottle, oat milk will typically last for 7 to 10 days in the refrigerator. Even though the rules change significantly between brands, as long as you finish yours in 4 to 5 days, you should be OK no matter which one you choose.

What is the best way to store oat milk?

When it comes to storing unopened oat milk, you don’t need a degree in rocket science. The beverage is shelf-stable in either sealed or unsealed oat milk containers and can be stored in a cool, dry environment for an extended time without problems.

Closet or dry storage is the best place for the sealed oat milk containers; a refrigerator will also work, though it may not be the most cost-effective or efficient way to utilize cold storage space.

It is not possible to freeze oat milk containers that have been sealed. oat milk is mostly made up of water, which expands significantly when exposed to freezing temperatures, causing packaging to explode and the contents of the carton to pour all over the place.

If you have a separate pantry in your kitchen or a basement area, it is recommended that you store bulk oat milk for the long term. As long as the temperature in the room is constant, the sealed containers should retain their quality and freshness for at least nine months, and possibly much longer.

Once the seal on the container is broken and the container is opened, the oat milk becomes perishable and no longer has a shelf life. Seal the package tightly and store it in the refrigerator, where the oat milk will keep for up to 7 days if not exposed to air or moisture.

As you can see, oat milk has the potential to spoil and rot, but by storing it properly, you can extend its shelf life while maintaining its quality and freshness.

What Is the Best Way to Tell if Oat Milk Is Bad?

Oat milk spoils as a result of improper storage, whether it occurs before or after the expiration date has been reached. Before consuming the product, we recommend that you sample it and check for signs that it has gone bad beforehand.

Listed below are several symptoms that oat milk has gone bad and should be thrown away:

1.  Check the consistency.

Half-fill a glass with oat milk and set aside. If the mixture is lumpy, thick, or slimy, and difficult to pour, it has been spoiled. However, it is normal for oat milk to separate slightly while stored. Before you eat it, give it a slight shake to ensure that it is thoroughly mixed.

Take note of the hue as well. It should be a light cream color to complement the room. If this is not the case, it could be a very bad omen. The presence of yellow color in oat milk suggests degradation and mold growth.

Pour a small amount of additional milk into the glass to see whether there are any spores or other signs of mold or bacteria in the liquid. If this is the case, throw away the milk immediately away.

Flavored versions, on the other hand, may come in a range of hues. If the color of your oat milk has changed from when you first bought it, it’s best to discard it immediately.

2. Take a sniff of the air

The following stage involves inhaling oat milk. If it’s gone sour or has an expired scent, it’s time to throw it out. When rotting oat milk is opened, it has a sour or stale fragrance, as opposed to when it was originally opened.

Aromatic and nutty, fresh oat milk would have a pleasant and enticing aroma. When you first open it, you can smell it to see how the smells have changed with time.

3. Take a whiff of it

When in doubt about if something is bad, try it out on your tongue to see what you think. Start with a tiny bit of it and work your way up from there. If the milk has a sour taste to it, spit it out and throw it away. If, on the other hand, the oat milk tastes normal, it is still safe to consume.


In this short article, we provided an answer to the question “Can oat milk go bad?” and the information on storing oat milk.


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