Further, a study recently released by the U.S. Department of Agriculture indicated that blueberries were potentially beneficial for fat and cholesterol reduction. In the study, two groups of hamsters were fed high fat foods. In addition, one group hamsters were also fed blueberries and blueberry skins in addition to the high fat food rations. The scientists reported that the hamsters that were fed blueberry enhanced rations had 22 to 27 percent lower total cholesterol than the hamsters that were just fed high fat rations. Further, the levels of very low density lipoprotein (a form of bad cholesterol) were about 44 percent lower in the blueberry fed hamsters.
In hamsters, and in humans, the liver is responsible for making cholesterol and getting rid of excessive levels of cholesterol. The study’s results indicated that some of the blueberry’s compounds activated the hamster’s liver genes to either produce less cholesterol or use more cholesterol. The net result was lower blood cholesterol levels in the hamsters that ate blueberries. The study needs further research to see if the positive effects found in the hamsters holds true for humans. But why wait? It is known that blueberries provide many excellent vitamins, minerals and antioxidants. Cholesterol fighting properties would be an added bonus.
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