What is freezer burn?
Moisture loss or ice crystals evaporating from the surface area of a product produce freezer burn. Freezer burn appears as a fuzzy, grayish-white spot on the food surface. Freezer burn is not harmful but it causes off-flavors and dries out and toughens food. It can be prevented by wrapping food in moisture-vapor-proof material and storing it for the recommended length of time. Covering fruit with syrup and cooked meat with gravy or sauce also helps prevent freezer burn.
Barbara Willenberg, Nutritional Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009