<<Disclaimer:  Verify this information before applying it to your situation.>>

On Wed, 19 Apr 1995, Jim Lyles wrote:

>  Could the batch you bought be spoiled?

That happened to us once, so it's definitely probable.  We had had a bag of
xanthan gum for a while, and one time in the baking my mom felt like it
smelled very strong, and things didn't turn out quite right.  We decided the
xanthan gum was definitely spoiled.

Kristine