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
The researchers did an experiment with mice that lasted 72 days. The animals were given a low-fat [LF] or a high-fat [HF] diet. Some of the animals were given a blueberry juice supplement [BBJ], others were given pure anthocyanins extracted from blueberries and dissolved in their drinking water [ACN]. The ACN group were given 0.2 mg anthocyanins per ml drinking water.
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.
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.
The composition of the anthocyanins that the researchers used is shown below. Compound 5 is the shaded one. The cyanidin-3-glucoside [structural formula shown above] is the active ingredient in Indigo-3G, Biotest's body recompositioning supplement. [Google]
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