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Hey, guys, they're not girlie-man portions, they're healthy portions

URBANA, Ill. -- Remember when advertisers asked, "How do you handle a hungry man?" and offered bigger, man-sized versions of the ever-popular TV dinner?

University of Illinois researchers recently used "frozen entrees" to control portion size successfully in a weight-loss diet for men. The portions weren't "man"-sized; this was the same plan the dietitians used with women last year--with caloric intake adjusted upward just a tad (1,700 calories) for the male metabolism.

"We wanted to do the men's study separately because men and women do respond differently to diets, and we thought the men might have a different attitude toward the entrees," said dietitian LeaAnn Carson, who managed the study with dietitian Sandra Hannum for food science and human nutrition professor John Erdman.

But it turns out hungry men don't need outsized portions. "The men in this study didn't feel deprived, they liked the feeling of being able to cinch their belts a notch tighter, and in eight weeks they had a better idea of what a healthy portion size should be," Carson said.

In the study, soon to be published in Diabetes, Obesity and Metabolism, 60 healthy overweight men were divided into two like groups for eight weeks, both eating diets based on the USDA food-guide pyramid. The dietitians knew the exact composition of the entrees, and both diets contained the same number of calories and the same percentage of protein, fat, and carbohydrate.

The only difference was that one group used prepared frozen entrees that simply had to be popped into a microwave. The other group had to weigh, measure, and estimate serving size during food preparation.

The men who ate frozen entrees lost 16 pounds in eight weeks; the men who estimated serving size lost 12 pounds. Both groups had a significant decrease in the diastolic (or lower number) of their blood pressures, and all dieters' blood lipids profiles came down as well.

"The men
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Contact: Phyllis Picklesimer, Agricultural Communications
p-pickle@uiuc.edu
217-244-2827
University of Illinois at Urbana-Champaign
14-Mar-2005


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