>Dear lactnetters, have permission to post. Mother noticed a very sour
>smell when she defrosted her frozen milk so she threw it away. There was
>no loss of electricity or problem with the frig. Has any one had this
>experience? Mother is afraid to use her milk and has a large supply.
>Please respond as soon as you can. [log in to unmask] Thanks


Lois- there are a lot of posts in the archives about this, and it 
would be useful for you to read through them.  It's not that unusual 
an issue, and it's to do with the way the fats saponify (IIRC) on 
freezing. You can avoid it happening by scalding the milk first.

Heather Welford Neil
NCT bfc, tutor, UK

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