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Can I freeze breast milk in glass bottles?

Can You Freeze Breast Milk in Glass Bottles?
Freezing breast milk is a common practice for nursing mothers looking to store excess milk for later use. However, the choice of container plays a crucial role in ensuring the milk remains safe and intact during the freezing process.
Yes, you can freeze breast milk in glass bottles, but there are important considerations to keep in mind. Not all glass bottles are created equal when it comes to freezing. It’s essential to use glass containers that are specifically designed to withstand freezing temperatures. Regular glass bottles may crack due to the expansion of the liquid as it freezes, which can lead to spills and contamination.
When selecting glass bottles for freezing breast milk, look for those that have secure lids and are labeled as freezer-safe. These bottles are designed to handle the temperature fluctuations that occur during freezing and thawing. Additionally, it’s advisable to leave some space at the top of the bottle when filling it with milk. This space allows for the natural expansion of the liquid as it freezes, reducing the risk of breakage.
Storage Duration and Thawing
Breast milk can be safely stored in the freezer for up to six months, although some sources suggest it can last up to 12 months in a deep freezer. When you’re ready to use the frozen milk, it’s best to thaw it gradually. The recommended method is to place the bottle in the refrigerator overnight or to run it under warm water. Avoid using a microwave, as it can create hot spots that may harm the milk’s nutritional quality.
Conclusion
In summary, while freezing breast milk in glass bottles is possible, it requires careful selection of the right type of glass container. Always opt for freezer-safe glass bottles, leave adequate space for expansion, and follow proper thawing methods to ensure the milk remains safe and nutritious for your baby.

Can you freeze milk in glass bottles?

Never freeze milk in glass containers, even if you leave a gap for expansion. Freezing milk in glass containers is likely to make the glass explode as the liquid expands, which is both messy and dangerous.

Can I store breast milk in a glass feeding bottle?

Before expressing or handling breast milk, wash your hands with soap and water. Then store the expressed milk in a clean, capped food-grade glass container or hard plastic container that’s not made with the chemical bisphenol A (BPA). You can also use special plastic bags designed for milk collection and storage.

Is it OK to store milk in a glass bottle?

Glass bottles maintain milk’s nutritional value
Glass is perfect to pop into the fridge, where the milk will remain cool and in the dark until it is ready to drink. This maintains its vitamins, which can become damaged through heat and light.

Can I freeze breastmilk in glass jars?

It’s best to store breast milk in glass or BPA-free hard plastic bottles. The breast milk loses fewer antibodies when you put it in glass bottles to freeze it. For healthy term infants, wash containers in hot soapy water, rinse in warmwater and leave to air dry. Then store them in a clean, covered container.

Can I freeze breast milk in a glass bottle?

The breast milk loses fewer antibodies when you put it in glass bottles to freeze it.

Can I mix breast milk from different days?

Can I mix fresh breast milk with older breast milk? Mixing freshly expressed breast milk with already cooled or frozen milk is not advised because it can rewarm the older stored milk. It is best to cool freshly expressed milk before combining it with older, previously cooled or frozen milk.

Is it better to store breast milk in glass or plastic?

It’s best to store breast milk in glass or BPA-free hard plastic bottles. The breast milk loses fewer antibodies when you put it in glass bottles to freeze it. For healthy term infants, wash containers in hot soapy water, rinse in warmwater and leave to air dry. Then store them in a clean, covered container.

Is it OK to freeze glass bottles?

Ideally the bottles should be frozen slanted at an angle of 45° to enlarge the surface area and allow for the expansion of the freezing liquid. Alternatively, use bottles with a wider diameter to reduce pressure on the glass walls. Rapid cooling can create thermal shock, which can cause the glass to break.

Does breastmilk fat stick to glass?

It doesn’t seem like it’s really proven. The main thing is that the fat can stick to the glass or bag if you’re storing the milk, but in my experience it’s very obvious and you can easily knock it back into the milk with a spoon or some vigorous shaking.

Can you freeze raw milk in a glass bottle?

You can freeze Raw Milk in the plastic jug it comes in or in a glass jar. A few of our customers have shared that their frozen plastic jugs have split open, likely due to the high density and pressure.

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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