Edible Food Wrap Kills E. Coli (IMAGE) American Chemical Society Caption USDA chemist Tara McHugh displays edible food wraps designed to slow the spoilage of fresh fruits and vegetables. Similar wraps developed by McHugh also kill E. coli. Credit Courtesy of USDA. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.