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Why does my frozen breast milk taste funny?

Understanding the Taste of Frozen Breast Milk
If you’ve noticed that your frozen breast milk tastes funny, you’re not alone. Many parents encounter this issue, and it can be concerning, especially when you want to ensure your baby is getting the best nutrition possible. The peculiar taste can often be attributed to a few key factors, primarily related to the natural composition of breast milk and how it is stored.
The Role of Lipase
One of the most common reasons for a funny taste in frozen breast milk is the activity of lipase, an enzyme naturally present in breast milk. Lipase helps break down fats, which is beneficial for your baby’s digestion. However, when breast milk is stored for an extended period, especially if it is frozen, the lipase can become overly active. This excess activity can lead to a soapy or metallic taste, which might be off-putting to both parents and babies alike.
While this change in taste can be alarming, it’s important to note that it does not affect the nutritional quality of the milk. Your baby is still receiving all the essential nutrients they need, even if the flavor is not as expected.
Storage and Handling Practices
The way breast milk is stored can also influence its taste. For instance, if breast milk is not stored in airtight containers, it can absorb odors from the freezer, which may alter its flavor. Additionally, the temperature fluctuations in a freezer can affect the quality of the milk. To mitigate these issues, it’s advisable to use high-quality storage bags or containers specifically designed for breast milk, ensuring they are sealed tightly.
Heat Treatment as a Solution
For those particularly sensitive to the taste changes, heat treating the milk before freezing can be an effective solution. This process involves warming the milk to a specific temperature for a short period, which can deactivate the lipase enzyme. While this method requires extra effort, many parents find it worthwhile to preserve the taste of the milk.
Conclusion
In summary, if your frozen breast milk tastes funny, it is likely due to the natural activity of lipase or storage conditions. While the taste may be unappealing, rest assured that the nutritional value remains intact. If the taste is a concern, consider heat treating your milk before freezing or ensuring proper storage practices to maintain its quality. Ultimately, understanding these factors can help you navigate the complexities of breastfeeding and milk storage with greater confidence.

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.

How can you tell if frozen breast milk has gone bad?

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.

How to get rid of lipase taste in frozen breastmilk?

Mix frozen breastmilk with freshly pumped milk.
Do you have a large stash of high-lipase milk that baby won’t drink? You can try mixing the frozen milk with freshly pumped milk to see if they will drink it. This blend can help mask the soapy taste.

Does frozen milk taste the same when thawed?

Freezing different types of milk
The milk may separate slightly, the flavor and odor may change slightly, and the texture may be grainier. The thawed milk is suitable for cooking, adding to tea or coffee, or using in a smoothie. Below are guidelines for freezing nondairy alternatives to milk.

Why does my milk taste weird after freezing?

Protein Denaturation: Freezing can cause changes in the milk proteins, particularly whey and casein. When these proteins denature, they can interact differently, leading to undesirable flavors and textures. Oxidation: If the milk is not properly sealed before freezing, it can be exposed to air, leading to oxidation.

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.

What happens if a baby drinks bad breast milk?

Can babies get sick from old 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.

How to get rid of high lipase in breastmilk?

Scald your breastmilk to reduce high lipase.
Heat until it reaches 180 F, you’ll see little bubbles around the edge of the milk in the pan (do not boil!). Once you reach this temp, remove the milk from the heat, cool and store as quickly as possible.

How do you fix frozen breast milk with high lipase?

Mix the high-lipase frozen milk with freshly expressed milk: Mixing frozen and fresh breast milk can reduce the lipase activity in the thawed frozen breast milk and minimize the development of any unwanted tastes or smells.

Why does my frozen breast milk taste weird?

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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