You are here: Home › Uncategorized › What’s Inside Coffee? ← San Salvador in the 1940s and 50s Sorting Coffee → What’s Inside Coffee? Dimethyl disulfide, “…it’s one of the compounds that gives human feces its odor.” 2-Ethylphenol, “… a component of cockroach alarm pheromones, chemical signals that warn the colony of danger.” Thank you WIRED.com