E-Mail IMAGE: Lead author Bridget McGivern in June 2018, shortly after setup of the soil experiment. view more Credit: Provided/Bridget McGivern Fruits, vegetables, red wine and chocolate are all rich in polyphenols, natural plant compounds that double as cancer-fighting antioxidants. We can access these foods' health benefits because the microbes in our guts happily feast on them, breaking them down into smaller chemical components. Microbiome scientists at Colorado State University wanted to know if microbes can also break down those same polyphenols in systems outside the human...