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Does frozen breastmilk lose antibodies?

Does Frozen Breast Milk Lose Antibodies?
The question of whether frozen breast milk loses its antibodies is a significant concern for many parents who rely on this method for feeding their infants. Breast milk is renowned for its rich nutritional profile and immunological benefits, which are crucial for a baby’s development and health. However, the process of freezing can impact these properties.
The Impact of Freezing on Antibodies
Research indicates that while frozen breast milk does retain some antibodies, it is not without loss. Freshly expressed breast milk is known to contain a robust array of antibodies that help protect infants from infections. However, studies suggest that freezing breast milk can lead to a reduction in the quantity and effectiveness of these antibodies over time.
For instance, one source notes that although frozen breast milk still contains antibodies, it loses a small amount of these protective components compared to fresh milk. This means that while it is still a better option than formula, which lacks these immunological benefits, it is ideal to provide fresh milk whenever possible.
Quality Over Time
The quality of frozen breast milk can deteriorate, particularly if it is stored for extended periods. The longer the milk is frozen, the more significant the loss of its immunological properties. Experts recommend using frozen breast milk within six months to ensure that it retains as many of its beneficial qualities as possible.
Moreover, the antibodies in breast milk are dynamic; they adapt to the pathogens the mother and baby are exposed to, which means that the immunological benefits of fresh milk are particularly valuable during the early months of an infant’s life.
Conclusion
In summary, while frozen breast milk does lose some antibodies compared to fresh milk, it still provides essential nutrition and some level of immune protection for infants. For parents who need to store breast milk, freezing remains a viable option, but it is advisable to use it within a reasonable timeframe to maximize its benefits. Ultimately, fresh breast milk is the gold standard, but frozen milk is a commendable alternative when necessary.

Do antibodies survive in frozen breastmilk?

Thaw milk in the refrigerator or in warm water just before feeding. Thawed milk must be used within 24 hours. Note: freezing breastmilk destroys some of its antibodies.

Do babies still get antibodies from pumped milk?

Pros of pumping. Babies who feed exclusively on pumped milk do not get the benefit of a feedback loop between their body and the breast milk. However, they do still gain access to a well-designed food that is rich in healthful fats and antibodies.

What are the disadvantages of frozen milk?

One common issue that arises when cow milk is frozen is its tendency to change consistency or texture. In particular, when frozen milk is brought back to liquid form, fat can separate, resulting in a graininess that some find worrisome or even off-putting.

Does freezing breastmilk affect quality?

Thawed milk is an excellent alternative when fresh breast milk isn’t available. Previously frozen breast milk has similar nutrient and antibody content to fresh milk. It does lose a small amount of those qualities but can still provide a baby with the nutrition it needs.

How long do frozen antibodies last?

1 month

aqueous, 4°C frozen at -20 – -80°C or in liquid nitrogen
typical shelf life 1 month years
antibody concentration 1-5 mg/ml 1-5 mg/ml
carrier proteins for dilution BSA BSA
sterile or antibacterial requirement yes no

Can bacteria survive milk pasteurization?

Gram- negative bacteria generally don’t survive pasteurization, unless total bacteria in the raw milk exceed the thermal destruction capability.

Does frozen breast milk lose benefits?

Keep in mind that research suggests that the longer you store breast milk — whether in the refrigerator or in the freezer — the greater the loss of vitamin C in the milk. It’s also important to note that your breast milk changes to meet your baby’s needs.

When is breast milk most nutritious?

Four weeks onwards: Mature milk
By the time your baby is four weeks old, your breast milk will be fully mature. It’s rich in protein, sugar, vitamins and minerals, plus numerous bioactive components – such as hormones, growth factors, enzymes and live cells – to support your baby’s healthy growth and development.

When does breast milk stop producing antibodies?

First, breast milk is full of antibodies. These antibodies are highest in colostrum, the milk your baby receives at birth and during the first few days afterward. The antibodies also continue to be present in your milk the WHOLE time you’re nursing your baby, even if you nurse well into toddlerhood or beyond.

Can bacteria grow in frozen breast milk?

Results: Significant declines in bacterial colony counts were seen from 2 to 12 weeks freezer storage for all bacteria. There were no differences in colony counts between freezer types. Once thawed, no further bacterial growth occurred. Conclusions: Short-term freezer storage for 12 weeks resulted bacterial killing.

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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