Breastfeed Med. Breastfeeding and the working mother: effect of time and temperature of short-term storage on proteolysis, lipolysis, and bacterial growth in milk. More journal articles on milk storage. Reusing expressed breastmilk. My power went out and I have breastmilk in the freezer — Help! Defining the difference: What Makes Biologics Unique. Biotechnol Healthc.
How likely is this to be an issue? So far there has not been research done on the bioactive properties of shaken vs. Some feel that the forces required to change the milk are significantly more than could be provided via shaking. Others note that shear forces from shaking are not the only issue—bursting of bubbles caused by shaking may also damage cells or denature proteins.
Breastfeeding Information for Families. Related Topics. Diabetes Nutrition. Links with this icon indicate that you are leaving the CDC website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. You will be subject to the destination website's privacy policy when you follow the link. CDC is not responsible for Section compliance accessibility on other federal or private website.
Drury cautions not to defrost or heat breast milk in the microwave. Always thaw the oldest breast milk first. Here are three ways you can defrost breast milk safely, according to the CDC:. You can give your baby milk that has been kept at room temperature or even cold milk from the refrigerator, and many babies like it this way just fine.
However, if you choose to warm the milk, follow these steps:. Most foods change after being frozen. A small number of moms notice their milk smells soapy, metallic or rancid. Milk that smells metallic or rancid after storing or heating could be caused by chemical oxidation. High lipase and chemical oxidation have different solutions. Both milks are safe to feed to your baby, but if your baby refuses the flavor change, take time to learn how to prevent the flavor change.
Still not sure? Proper Storage and Preparation of Breast Milk. Centers for Disease Control and Prevention. Milk Issues. La Leche League International. Eglash A, Simon L, et al. Breastfeeding Medicine. Information provided on Forbes Health is for educational purposes only. Your health and wellness is unique to you, and the products and services we review may not be right for your circumstances.
The fastest way to defrost breast milk is to hold it under a faucet of warm running water. Here is what you can do:. Sometimes thawed breast milk doesn't smell very good.
It can also have a soapy, metallic taste. The strange sour smell and taste are from an enzyme in the milk called lipase.
Lipase naturally breaks down the fats in the milk during storage. It is still safe to give the milk to your baby, but your child may not drink it if they don't like the way it tastes. You can give your baby thawed breast milk right out of the refrigerator, or you can warm it up to room temperature or body temperature.
If you choose to warm your breast milk, you can place it in a bowl of warm water for a few minutes, hold it under warm running water, or use a bottle warmer. You should not heat breast milk in the microwave or in a pot of boiling water on the stove. Once the milk is warm, gently swirl the container to mix any layers that may become separated during storage. Check the temperature of the milk before giving it to your child. You can do this by squirting a few drops on the inside of your wrist.
It should feel lukewarm or room temperature. It should not be hot or cold. When thawing or warming a container or frozen milk, you should not use a microwave oven. The high heat from the microwave can destroy some of the healthy properties found in the breast milk. Microwaves can also heat in an uneven way, causing hot areas within the breast milk. These hot spots can burn your baby's mouth and throat. Using the stove to heat breast milk is not recommended, either.
When you place a bag or container of breast milk in a pot of boiling water on the stove, it can overheat. Overheating can destroy the nutrients in the milk and make it dangerously hot for your child.
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