04-07-2008, 10:22 PM
Join Date: Apr 2006
Location: Propecia, CA
Tart cherries – frequently sold dried, frozen or in juice – may have more than just good taste and bright red color going for them, according to new animal research from the University of Michigan Cardiovascular Center.
Rats that received whole tart cherry powder mixed into a high-fat diet didn’t gain as much weight or build up as much body fat as rats that didn’t receive cherries. And their blood showed much lower levels of molecules that indicate the kind of inflammation that has been linked to heart disease and diabetes. In addition, they had significantly lower blood levels of cholesterol and triglycerides than the other rats.
The results, which were seen in both lean and obese rats that were bred to have a predisposition to obesity and insulin resistance, were presented Sunday at the Experimental Biology 2008 meeting in San Diego, CA by a team from the U-M Cardioprotection Research Laboratory.
In addition, the obese rats that received cherry powder were less likely to build up fat in their bellies – another factor linked to cardiovascular disease. All the measures on which the two groups of animals differed are linked to cardiovascular disease and Type 2 diabetes.
The new findings build on results that were reported last year at the same meeting by the U-M team. Those data came from experiments involving lean rats that were prone to high blood pressure, high cholesterol and impaired glucose tolerance, but that received a low-fat diet with or without cherries. In that case, cherry-fed rats had lower total cholesterol, lower blood sugar, less fat storage in the liver and lower oxidative stress. However, it was unknown if these benefits would be observed in obesity-prone animals, or in animals fed a higher fat, western-style diet containing elevated saturated fat and cholesterol.