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The fructose - a sugar that one recovers naturally in the fruit and in the honey. made a spectacular incursion in our food, the years since 1980. However, according to an American survey, the human body would tend to transform quickly in the fructose graisses1. More quickly, of the less, that another sugar: glucose.

The researchers recruited six volunteers, thin and in good health. To the kid lunch, they made them drink one of the three following sugary drinks: a drink either entirely composed of glucose; of containing either a glucose and the fructose in equal shares; to either a composed 25% of glucose and to 75% of fructose. At the hour of the noon, the participants had to swallow a snack prepared for them.

Thanks to blood tests to regular intervals, the researchers could follow the metabolic process of food. According to the results, four hours after the kid lunch, the participants who had ingested the fructose had a rate of formation of greases of 40% superior to the one observed at the participants who had consumed solely glucose.

These results seem to give reason to some observers who throw the blame of the obesity epidemic on the massive use of corn syrup of (the content of which is raised in fructose) in the transformed foods. The authors of the survey bring a flat however: one would not know how to assign the epidemic of obesity to only one food.

Besides, the power sweetening the fructose is especially raised. If one wanted to sweeten the sodas with the sucrose, for example (of the table sugar), it would be necessary to introduce a lot of it more in the mixture. The consumers would therefore not be necessarily winning, specify the researchers.

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