Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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26.11.2011 |
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Anthocyanins in blueberries: more muscle and less fat
Blueberries, and also cherries and grapes, contain phenols which are known to chemists as anthocyanins. According to nutritionists at the American department of agriculture, these compounds have a body recompositioning effect. They reduce the amount of fat and increase lean body mass.
Study
The researchers were looking for anti-obesity effects, and found these in both groups. The tables below show that anthocyanins supplementation in particular had a qualitative effect on the mice's weight gain. The blueberry extract helped the mice to gain more lean body mass and less fat.
Insulin
Putting it all together, it seems that anthocyanins enhance the effect of insulin in the muscle cells rather than in the fat cells. [We wonder - should we classify anthocyanins as AMPK-boosters?]
The anthocyanins ensure that the muscles slurp up most of the glucose from the blood, preventing the fat cells from growing too. That's why the supplementation has most effect in the low-fat diet group. The effect is even clearer when the researchers put 1 mg anthocyanins instead of 0.2 mg in a millilitre of drinking water.
Cyanidin-3-Glucoside
Source:
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