Magnolia Bark (image) American Chemical Society Caption Magnolia bark extract shows promise for fighting bad breath when used in gum and mints. Credit Courtesy of Michael Greenberg, Wm. Wrigley Jr. Company Usage Restrictions None 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.