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I recently came across this fantastic resource on the Lansinoh website and wanted to share it with you!
"In very rare cases, some mothers who have meticulously expressed and frozen their milk for later use have discovered to their dismay that all their frozen milk has turned rancid. This happens when a mother produces milk that is high in lipase, the enzyme that breaks down fat in the milk. Depending upon the level of lipase in her milk, some mothers notice this rancid smell after their milk has cooled in the refrigerator; others, notice it only after the milk has been frozen for a while. Thankfully this doesn’t happen often, and this can be prevented.
It is suggested that every mother who is planning to freeze her milk should freeze some test batches of milk and thaw it out after a week or so to be sure it has not become rancid. If the mother finds that after freezing and thawing her milk that it has a rancid smell, she can prevent this from occurring in the future by heating her expressed milk to a scald right after collecting it and then quickly cooling and freezing it. Scalding inactivates the lipase. Once the milk has acquired the rancid smell, however, treating the milk will not help. It is not known whether or not this milk is safe for the baby however, most babies refuse it because of the taste."
You can find more information on this subject on the KellyMom website. She states that the milk is in fact NOT harmful to your baby, but the stronger the taste, the more likely that he or she will refuse it.
Have you ever found that your breastmilk "turned" after refrigerating or freezing? If so, did you throw it out or did your baby drink it anyways? I never encountered this personally, however I would love to hear your stories! Please drop me a comment below.blog comments powered by Disqus