Mold Inside a Specialty Bean: How Concerned Should You Be?
There’s something brewing in the world of specialty coffee that’s both alarming and oddly fascinating: the discovery of internal mold in a bean that should have been pristine. You’ve probably seen the photos—tiny worms tunneling through the bean, leaving behind a fuzzy, greenish residue. The bean itself looks fine on the outside, but the damage is done. For coffee lovers, this raises a pressing question: is this a rare flaw, a sign of poor quality, or a red flag for safety? The truth is, internal mold in specialty beans is extremely rare—but not impossible. Specialty roasters typically source beans from…







