Several nutrition experts have praised the FDA's proposal to phase out partially hydrogenated oils, with Penny Kris-Etherton, a professor at Pennsylvania State University, calling for a time frame of "months, not years." Manufacturers have offered possible alternatives to the oils, including interesterified vegetable oils, high oleic canola and soybean oils, and blends of palm oil fractions and other oils. All are possible replacements for trans fat, although research-and-development efforts continue, said Erik Heggen of food-processing company ADM.

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