"It's a tricky time for consumers, because the answer depends on the food -- and some are losing trans fat only to have another artery clogger take its place, that old nemesis saturated fat."

" "Right now the public has to be very careful ... if something says 'trans fat-free,' what else is in it?" warns Dr. Robert Eckel, past president of the American Heart Association."

"Trans fat has become the new fall guy for bad nutrition. Chain restaurants are struggling to get it off the menu after New York City and Philadelphia required restaurants to phase it out by next year. Bills to restrict or ban trans fat in restaurants or school cafeterias have been introduced in at least 20 states."

"At grocery stores, the government began forcing food labels to disclose the amount of trans fat in packaged foods last year, and the race was on to see which manufacturers could eliminate it first."

"The irony: Americans eat about five times more saturated fat than trans fat. And while gram-for-gram, trans fat is considered somewhat more harmful than its cousin, too much of either greatly increases the risk of heart disease, stroke, diabetes and other ailments."

"Trans fat is created when companies add hydrogen to liquid cooking oils to harden them for baking or for a longer shelf-life, turning them into "partially hydrogenated oils.""

"There is no single substitute. So food chemists and chefs are taste-testing their way through different cooking oils and fats -- both naturally occurring ones and chemically modified ones -- to find replacements that don't alter each food's taste or texture."

"What are the options? There are some heart-healthier oils, called monounsaturated and polyunsaturated oils -- such as olive, canola or soybean oils. Unlike trans and sat fats, these liquid oils don't raise levels of so-called bad cholesterol, or LDL cholesterol."

"Frying chicken in canola or soybean oil instead of partially hydrogenated shortening is an easy switch."

"But you can't make, say, a pie crust with olive oil. Industry is finding that the toughest foods to rid of trans fat are baked goods, such as pastries, cookies, pizza crusts."

"Substituting animal fats, such as butter or lard, or tropical oils such as palm or coconut oil may keep the taste, but they are super-high in saturated fat."

""You need to find a replacement for a solid fat that doesn't have the health implications, and that's the tougher battle," says Susan Borra of the International Food Information Council. "We are changing the entire fatty acid profile of the food supply, and we're not sure
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