Is it normal for frozen breast milk to smell funny?

Understanding the Smell of Frozen Breast Milk
For many new parents, the experience of storing and using breast milk can come with a few surprises, particularly when it comes to the smell of frozen milk. It’s not uncommon for mothers to notice that their frozen breast milk has a peculiar odor, which can lead to concerns about its safety and quality.
The Science Behind the Smell
The primary reason frozen breast milk may smell “funny” is due to the activity of lipase, an enzyme naturally present in human milk. Lipase helps break down fats, which is beneficial for digestion, but it can also lead to changes in the milk’s smell and taste over time. When breast milk is frozen, lipase continues to work, albeit at a slower rate, which can result in odors that some parents describe as soapy, metallic, or even rancid.
Importantly, while these changes in smell can be alarming, they do not indicate that the milk has spoiled. The nutritional quality of the milk remains intact, and it is still safe for your baby to consume.
Common Odors and Their Implications
Parents often report a variety of unusual smells when thawing frozen breast milk. These can include:
– Soapy or metallic: This is often attributed to the activity of lipase, which, while it alters the smell, does not compromise the milk’s safety.
– Rancid or fishy: These odors can also arise from the breakdown of fats and proteins in the milk, again linked to lipase activity.
If the milk smells distinctly sour, similar to spoiled cow’s milk, that could indicate that it has indeed gone bad and should not be given to the baby.
Managing the Smell
For parents concerned about the smell of their frozen breast milk, there are a few strategies that can help. One effective method is heat treating the milk before freezing it. This process involves warming the milk to deactivate lipase, which can prevent the development of off-putting odors. While this method requires extra effort, many parents find it worthwhile for the peace of mind it provides.
Additionally, following proper storage guidelines is crucial. Breast milk should be stored in clean, airtight containers and used within recommended time frames to ensure its quality.
Conclusion
In summary, while it is normal for frozen breast milk to have a funny smell due to the activity of lipase, this does not mean the milk is spoiled or unsafe for your baby. Understanding the science behind these changes can help alleviate concerns and ensure that parents feel confident in the milk they provide to their little ones.

How to tell if breast milk has freezer burn?

If you store breast milk in the freezer as you should, you may have noticed ice crystals forming in the milk. When you thaw it, you catch a whiff of a sour odor. Does this mean the milk has gone bad? No, this is just the sign of freezer burn in your breast milk.

How do you tell if frozen breast milk is spoiled?

Digestive enzymes and other components of breastmilk remain active even when milk is expressed or pumped. Expressed human milk may undergo odor changes when stored. Parents sometimes describe expressed or defrosted milk as smelling odd – metallic, soapy, or even rancid.

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.

Why does thawed breast milk smell funny?

Freezing Habits and Lipase
Freezing and thawing breast milk can have a big impact on taste and smell. Some moms notice that after defrosting, their milk smells unpleasant – soapy or even sour. This is normal! Breast milk contains lipase, an enzyme that is normally present in human milk and has a lot of benefits.

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.

Can my baby drink high lipase milk?

WHAT CAN I do about it? First thing’s first, having high lipase milk does not mean your milk is “bad”! Some babies take high lipase milk without thought. Yes, it is perfectly safe for babies to drink high lipase milk.

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 breast 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 do I know if my breast milk is bad for my baby?

That doesn’t always mean it’s soured or spoiled, but you should talk to your doctor or lactation specialist about what to do if your breast milk tastes or smells bad or your baby doesn’t like it. You may need to avoid certain foods, change how you pump or store your milk, or make other lifestyle changes.

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.