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Date: | Thu, 2 Aug 2001 08:15:17 -0700 |
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Cheryl: This (bad smell) is less of a problem with the bags than it is with
frost free or self defrosting freezers. Constantly, all day, the freezer
cycles warmer and colder to keep frost from forming. This constant temp
change affects the milk. The natural digestive enzymes in the milk have
many opportunities all day long to work a little bit more. Milk banks use
freezers that are NOT frost free so the milk is kept at a constant temp.
Keep the milk in a position in the freezer that is least affected by the
frost free blower. Additionally, some moms seem to produce milk with more
lactase than other moms so their milk is a little more at risk for this bad
smell. Check the L'Net archives for specific details, but I believe they
can avoid some of this problem by heating the milk briefly, just to the
point of bubbling, then cooling quickly, refrigerating, then freezing. This
helps stop the action of the lactase. The other risk of some of these bags
is that they can burst when frozen so the milk needs to be double bagged.
Phyllis Adamson, IBCLC
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