<<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