Well they can verify butter that is thousands of years old http://www.sltrib.com/home/4004975-155/man-finds-22-pound-chunk-of-butter http://www.sltrib.com/home/

Well they can verify butter that is thousands of years old http://www.sltrib.com/home/4004975-155/man-finds-22-pound-chunk-of-butter http://www.sltrib.com/home/4004975-155/man-finds-22-pound-ch... Now of course the butter is only preserved because the bogs keep it cool enough yet it apparently is still edible I can verify it keeps ten plus years and works just fine having bought two two quart containers of sage honey that long ago and having about a fourth of one container left. Sage doesn't even crystallize but for those that do I think a little heat fixes it