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What does bad frozen breast milk smell like?

Understanding the Smell of Bad Frozen Breast Milk
When it comes to frozen breast milk, many parents may encounter unexpected odors upon thawing. While fresh breast milk typically has a sweet, mild scent, the smell of frozen breast milk can vary significantly, especially if it has gone bad or undergone changes during storage.
Common Odors in Frozen Breast Milk
1. Soapy or Metallic Smell: One of the most frequently reported odors is a soapy or metallic scent. This is often attributed to the presence of lipase, an enzyme naturally found in breast milk. Lipase helps break down fats, but when milk is frozen and then thawed, it can lead to a change in smell, making it seem unpleasant to some parents.
2. Sour Odor: Another common descriptor is a sour smell, reminiscent of spoiled cow’s milk. This sourness can indicate that the milk has truly soured, which is a sign of spoilage. If the milk smells distinctly sour, it is likely no longer safe for consumption .
3. Rancid or Fishy Smell: In some cases, parents report a rancid or fishy odor. This can be alarming, but it may not always indicate spoilage. Like the soapy smell, this can also be linked to the action of lipase on the milk’s fat content.
What to Do If Your Milk Smells Bad
If you encounter any of these unpleasant odors, it’s essential to assess the situation carefully. A soapy or metallic smell does not necessarily mean the milk is spoiled; it may still be safe for your baby. However, if the milk has a strong sour or rancid odor, it is best to err on the side of caution and discard it.
Conclusion
In summary, while some changes in the smell of frozen breast milk are normal and can be attributed to natural enzymes, distinct sour or rancid odors are indicators of spoilage. Parents should familiarize themselves with these smells to ensure they are providing safe and nutritious milk for their babies. Always trust your senses—if something seems off, it’s better to be safe than sorry.

What does spoiled breast milk smell like?

Human breast milk can spoil just like any other kind of milk. This leads to a sharp, sour smell and flavor. There’s no way to save spoiled milk. You should be able to tell it’s spoiled by tasting a sip of it yourself.

How long after drinking spoiled milk will a baby get sick?

Someone might start to feel sick within an hour or two of eating or drinking contaminated food or liquid. Other times, symptoms may not appear for a number of weeks.

How to tell the difference between high lipase milk and spoiled milk?

High lipase milk has an odor that some people describe as metallic, soapy, or even fishy. The taste might be very different from the smell, or it might also taste bad depending on the severity. If the milk smells rancid or spoiled, that might be a different problem.

What if baby drinks bad breast milk?

If your baby has had spoiled breast milk, they’ll likely let you know. They may throw up, or have an upset stomach, diarrhea or fever. It’s important to call your pediatrician if you think your baby may be sick from having spoiled breast milk.

What happens if a baby drinks bad breast milk?

This bacteria can cause digestive tract infections such as diarrhea. If a baby has diarrhea, he will become more fussy and become dehydrated. Because, a lot of fluid comes out of his body. If something like this happens, immediately take it to the doctor so the baby can get help.

Does breastmilk go bad in the freezer?

Deep freezers and chest freezers may be colder than 0°F. Breast milk can be stored at 0° F or colder for up to 12 months, although using it within 6 months is best. Count the age of the milk from the first time it was frozen, regardless of when it was moved.

Is it normal for frozen breast milk to smell funny?

Turns out – this is normal, frozen milk develops an enzyme called Lipase that makes the whole thing taste nasty- a meaty or metallic smell. milk will smell like you stored it next to some raw meats. It’s perfectly fine to feed your baby if (s)he doesn’t mind.

Is frozen breastmilk rancid?

Your milk is not bad if it’s been in a freezer for less than 6 months (12 months deep freeze). The chunks are just cream. Unless you froze it rotten, or had a freezer malfunction, it’s not going to go bad.

What does high lipase milk smell like?

The most notable signs of high lipase milk are changes in taste and smell. You might notice your milk having a scent or taste similar to metallic, vomit, eggs, soap, or fishy. The appearance of the milk might also change, though this isn’t always the case.

How can you tell if frozen breast milk is bad?

The milk is likely to have a very distinctive sour smell and may even taste metallic, like soap or bitter. If it smells sour, it is very likely because of the lipase enzyme’s action on the fat content of breast milk.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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