Effect Of High-Fructose Solution On Body Weight, Body Fat, Blood Glucose And Triglyceride Levels In Rats

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In Europe, as well as in Bulgaria, consumption of soft drinks and confectionery has increased during the last three decades and is partly responsible for the epidemic-like increase in obesity. These foods, originally sweetened by sucrose, are now sweetened by other caloric sweeteners such as fructose. In this study we investigated the effect of an eight-week intake of 20% fructose solution on body weight in rats. Two adult rat groups (aged 120±6 days) of Wistar line were studied: a Control group (C; n=10; 5 male and 5 female rats) received water and standard rodent chow, and a Fructose group (F; n=12; 6 male and 6 female rats) who received 20% fructose-in-drinking-water solution and regular rodent chow. All animals were weighed and measured (nose to anus length), and the Lee index (equivalent of BMI in rats) was calculated. Body fat was also analyzed. As indicators of increased caloric intake of the Fructose group we investigated glucose, triglycerides and cholesterol (total, HDL and LDL) in blood. In conclusion, consumption of fructose solution in rats resulted in increased body weight, length and measured body fat, increased blood glucose, total cholesterol and triglycerides in the Fructose group, as compared to the controls.

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