Lots of laypeople have a lack of understanding about aseptic method, or
about food handling/preserving, or about infection control/prevention, etc.
I had one woman who kept angrily complaining about BrM spoilage and
insisted she was observing rigid cleanliness in handling (and she had an MS
in biology!) but when I finally got to observe her process, I discovered
she was using an unwashed (for heaven knows how long) hand pump, crusty
with old milk.

My understanding is that a significant proportion of the bioactivity of BrM
survives refrigeration or freezing; but little survives scalding.  So if
the baby is obtaining a large portion of her/his intake of BrM as stored
BrM, it would seem we would be better off finding a different mode of
keeping it fresh than scalding.

Arly

[log in to unmask] (Arly Helm, MS, CLE, IBCLC)