Penn State Researchers: Chocolate Controls DiabetesThursday, 13 Jun 2013 04:01 PM It may sound counter-intuitive, but Penn State researchers are reporting that a few cups of hot cocoa — or other forms of chocolate — may actually help obese people control diabetes and other inflammation-related diseases, based on a new study of mice.
The study, published online in the European Journal of Nutrition,
found laboratory mice fed cocoa as part of a high-fat diet
experienced less obesity-related inflammation than those on the same
diet without the supplement.
Lead researcher Joshua Lambert, associate professor of food science
at Penn, said the mice ate the human equivalent of 10 tablespoons of
cocoa powder — about four or five cups of hot cocoa — during a
10-week period. The results showed several indicators of
inflammation and diabetes in the mice fed the cocoa were much lower
and almost identical to those in mice fed a healthier low-fat diet.
For example, the cocoa-eating mice had about 27 percent lower plasma
insulin levels — signaling the presence of diabetes — than the other
mice.
"What surprised me was the magnitude of the effect," Lambert said.
"There wasn't as big of an effect on the body weight as we expected,
but I was surprised at the dramatic reduction of inflammation and
fatty liver disease."
The researchers also found cocoa reduced the levels of liver
triglycerides in mice by about 32 percent. Elevated triglyceride
levels are a sign of fatty liver disease and are related to
inflammation and diabetes.
"Most obesity researchers tend to steer clear of chocolate because
it is high in fat, high in sugar and is usually considered an
indulgence," Lambert said. "However, cocoa powder is low in fat and
low in sugar. We looked at cocoa because it contains a lot of
polyphenolic compounds, so it is analogous to things like green tea
and wine, which researchers have been studying for some of their
health benefits."
The study was funded, in part, by the National Institutes of Health.
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