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July 14, 2010: 01:19 PM EST
New research that takes a first look at trans fat trends in major fast food restaurants has found that several of the biggest chains seem to be responding to health concerns. Specifically, McDonald's, Burger King, Wendy's, Jack in the Box and Dairy Queen have significantly decreased trans fats in cooking oils, according to the U.S. study. Using a Univ. of Minnesota database that catalogs the nutritional values of 18,000 foods, the researchers analyzed trans fat and saturated fat levels in french fries from the five chains. McDonald's, Burger King, and Wendy's significantly cut trans and saturated fatty acid composition of fries between 1997 and 2008. Potential future marketplace shifts include changes to sodium and energy content of fast food items, researchers said.
Lisa Harnack, Ph.D., et al., "Study Finds Fast Food Chains Have Significantly Decreased Trans Fats In Cooking Oils", Presentation, National Nutrient Database Conference, July 14, 2010, © Univ. of Minnesota School of Public Health, Nutrition Coordinating Center
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