Chocolates (image) American Chemical Society Caption Chocolate with "fat bloom" (left) sits next to normal chocolate. Researchers have found a way to prevent this powdery white coating. Credit Courtesy of Loders Croklaan BV, The Netherlands 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.