Melamine is a synthetic chemical used in industry for a variety of purposes. Large quantities of melamine have been found in foods produced in China, including candies, baby formula and dog food.Guardian Unlimited: Cadbury Recalls 111 Products... (September 29, 2008) CNN.com: China: Hundreds of Babies Fed Tainted Milk (September 13, 2008) It is thought that melamine was added to these foods to make it seem like they had more protein in them than they actually did.USAToday.com: "Melamine in Pet Food may not be... (April 20, 2007) In its unprocessed form, melamine is a colorless or white crystalline powder.