The outside of my jar of food is moldy. Is the food alright?
If mold has grown on the jar lid, we suggest you discard the food. Mold can actually cause loss of seal and recontamination of food. If mold is growing elsewhere on the outside of the jar, carefully wash the jar with hot soapy water, rinse and dry it. Check out your storage area. Mold growing on jars indicates that it may be too damp, and/or that food residue was left on the jars. Before storage, always remove jar rings, wash, rinse and dry jars and store them in a cool, dry, dark area.
Barbara Willenberg, Nutritional Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009