I understand from recent studies that it is  not the containers that redice 
the antioxidants (and antibiotic properties) in breast milk but the freezing 
process itself - or prolonged refrigeration. I now advise mums going back to 
work to try and pump not more than two days ahead so that milk can be kept 
in refrigerator for that period but not frozen.
Of course the odd emergency bag or two could be kept frozen - it is still 
better than formula - but as a routine, on the basis of this information I 
do not now advise keeping a stock of expressed milk frozen.
Wendy Blumfield
NCT BFC
Israel Childbirth Education Centre


----- Original Message ----- 
From: "Linda Hill" <[log in to unmask]>
Sent: Friday, September 08, 2006 8:25 PM
Subject: Milk storage, why dedicated breastmilk storage bags?


> Since milk storage bags have been  a topic, I thought I would ask a
> question.
>
>     I have always told moms that the "best" storage container would be the
> soft bottles that are made of polypropylene.  That the harder 
> polycarbonate
> bottles could leach a harmful byproduct, so they were fine for feeding 
> with
> but not for freezing.  Then I say that if storage space is an issue, 
> storage
> bags could be used, but should be double lined.  And I add that you lose
> some of the antibiotic properties when using the bags, but many find them
> more convenient for them.  I know that I've read that you can lose up to 
> 60%
> of the antibodies by using the bags.
>
>     So my question is... is this still current information?
>
>
>
> Linda Hill RN, IBCLC
>
>
>
>
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