US research: losing weight while eating pork
A new study by Purdue University, US, found that
including protein from lean sources of pork in a diet could help retain more
lean body mass, like muscle, while losing weight.
The results of the research, funded by the US Pork Checkoff and conducted by
Dr Wayne Campbell, were released in the journal
lead researcher at Purdue University's laboratory for integrative research in
nutrition, fitness and aging, and his colleagues evaluated the weight loss of 46
overweight women who followed one of two reduced-calorie diets.
group ate a diet that included about 18% of their calories from protein. The
other group ate a higher protein diet - about 30% of total calories from
protein, including 170 grammes of lean pork on average per
"After 12 weeks, our study found that the group of women who
followed a reduced-calorie eating plan while consuming a higher level of protein
was more effective in maintaining lean body mass during weight loss compared to
those who consumed the same amount of calories with less protein," Campbell
The higher protein group
retained nearly double the amount of lean body mass compared to the women on the
normal protein diet. Because muscle burns more calories, the finding is
important in long-term weight control.
As previous studies have
evaluated the impact higher-protein diets have on a weight-loss programme, this
study appears to be the first to use pork as the only source of meat, it was
â€¢ Purdue University
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