Freeze-dried jaboticaba peel powder rich in anthocyanins did not reduce weight gain and lipid content in mice and rats

Jaboticaba, a native fruit from Brazilian Atlantic Forest, is an important source of anthocyanins. Anthocyanins have been recently identified as modulators of lipid metabolism and energy expenditure 'in vivo'. The purpose of this study was to evaluate the effect of the freeze-dried jabotic...

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Bibliographic Details
Published in:Archivos latinoamericanos de nutrición 2012-03, Vol.62 (1), p.37-43
Main Authors: Marques, Anne Y Castro, Dragano, Nathalia Romanelli, Lenquiste, Sabrina Alves, Batista, Angela Giovana, Palazzo, Carina Carlucci, Maróstica, Jr, Mário Roberto
Format: Article
Language:English
Subjects:
Animals
Anthocyanins - isolation & purification
Anthocyanins - therapeutic use
Energy Intake - drug effects
Freeze Drying
Fruit - chemistry
Mice
Myrtaceae - chemistry
NUTRITION & DIETETICS
Obesity - drug therapy
Rats
Rats, Sprague-Dawley
Weight Gain - drug effects
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Summary:Jaboticaba, a native fruit from Brazilian Atlantic Forest, is an important source of anthocyanins. Anthocyanins have been recently identified as modulators of lipid metabolism and energy expenditure 'in vivo'. The purpose of this study was to evaluate the effect of the freeze-dried jaboticaba peel powder on obesity treatment in different experimental models. Obese Swiss mice and obese Sprague-Dawley rats were fed a high-fat diet supplemented with 1, 2 and 4% freeze-dried jaboticaba peel powder for 6 weeks. Energy intake, weight gain and body composition were determined, and the results were analyzed using variance and Tukey's tests (p < 0.05). The energy intake was higher in mice groups supplemented with 2% and 4% of jaboticaba peel. In relation to weight gain, the mice supplemented with 2% of jaboticaba peel had higher total weight gain than the other experimental groups, while no significant difference in the fat mass accumulation was observed among the groups. The rats did not show significant differences in the evaluated parameters. These results suggest that the supplementation with freeze-dried jaboticaba peel powder, at concentrations of 1, 2 and 4%, was not effective in the reduction of energy intake, weight gain and body fat both in mice and in rats.
ISSN:0004-0622