Yes, the grainy stuff could be solidified fat. Or parts of the bag. She
should try a different container, preferably glass or hard plastic and see
if this phenomenon is repeated. If not, it's more likely the bag. If so,
it's probably the fat and just fine for the baby.

Linda J. Smith, BSE, FACCE, IBCLC
Bright Future Lactation Resource Centre
Dayton, OH USA
http://www.bflrc.com

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