No trans fat? Americans won't taste the difference

No trans fat? Americans won't taste the difference
In this Feb. 12, 2008 file photo, a rack of donuts is displayed at a Dunkin' Donuts franchise in Boston. Consumers wondering what food without trans fat will taste like, probably already know as food manufacturers began eliminating it years ago. (AP Photo/Lisa Poole, File)

The U.S. Food and Drug Administration officially banned artificial trans fats this week. But food in America probably won't taste much differently than it does today.

That's because most and restaurants in the country started purging trans fats years ago.

Federal officials first took aim at the ingredient—widely considered the most dangerous of the so-called bad fats in the American diet—more than a decade ago. The purge hit critical mass when trans fat content was added to on packaged foods in 2006. As consumer awareness grew, companies worked fast to reformulate products to reduce or eliminate trans fats, which are considered unsafe at any level.

The restaurant industry wasn't far behind, particularly after New York City banned trans fats from all restaurant food in 2008, with communities around the country following suit. Rather than grapple with a patchwork of regulations, major chains like McDonald's, Taco Bell and Burger King decided to remove trans fats from their menus nationally.

You'd think we would have noticed. After all, trans fats can play a significant role in a food's texture, structure and taste. Like butter—but more cheaply and with better shelf life—they put the flakiness in flakey pie crust.

But there are lots of alternatives, and companies simply had to test their way through them until they found the right one for their products.

Dunkin Donuts, for example, began testing dozens of alternatives in 2003 before settling on a blend of palm, soy and cottonseed oils. Before they made the switch official in 2008, the company sold some 50 million trans fat-free doughnuts—all unbeknownst to consumers.

McDonald's and Taco Bell had similar experiences, successfully eliminating the fat without cutting a single menu item or triggering consumer backlash. And by 2010, researchers monitoring the change found that few foods still contained more than trace amounts of trans fats (though some meats and dairy products contain naturally occurring trans fats).

The change also can be seen in many products found in home kitchens. For example, many brands of classic trans fat culprits such as microwave popcorn and frozen pizza have already been reconfigured. Nutrition labels for other products showed that some, such as Duncan Hines chocolate Whipped Frosting, have yet to eliminate them.

All of which means the FDA announcement won't much change the taste of the foods Americans love. The most significant effect will be to close what health advocates have called a loophole in the labeling law, which allows foods with less than half a gram of per serving to be called trans fat-free. It also effectively eliminates the ingredient from use by smaller restaurants.

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