American Chemical Society August 11, 2014 SAN FRANCISCO, Aug. 11, 2014 — Coffee drinkers beware: Surprise ingredients that are neither sweet nor flavorful may be hiding in your coffee, and growing coffee shortages may increase the chance of having these fillers in your cup of joe in the future. The good news is that a highly accurate test is in the works to quickly find coffee containing unwanted fillers before the beverage reaches stores and restaurants. These extra ingredients, though not harmful, make ground coffee go farther and increase profits for producers, according to researchers. Their report will be part of the 248 th National Meeting & Exposition of the American Chemical Society (ACS), the world’s largest scientific society. The meeting features nearly 12,000 reports and is being held here through Thursday. A test to detect counterfeit coffees is becoming more important in light of growing shortages in regions, such as Brazil, where droughts and p...