Abstract
The aim of this study was to determine the influence of chronic supplementation with grape juice (400ml), in modulating the anthropometric and biochemical parameters. Thirty-nine seniors participated and were evaluated at baseline after 30 days. The chronic consumption of grape juice reduced weight, BMI and waist circumference. Indeed, the consumption modulated biochemical parameters, decreased the total cholesterol levels, Low-density lipoprotein (LDL) cholesterol, Urea and GGT. In addition, the intake of juice improved the performance in the TUG test, and caused more stability in the elderly. The levels of protein oxidation declined and the antioxidant potential significantly increased as well as SOD and the ratio SOD / CAT. In contrast, levels reduced sulfhydryl groups to consumption. In nuclear changes there are a decrease in the frequency of MN and picnosis. In conclusion, grape juice could be an excellent option to improve quality of life in elderly.
Highlights
In Brazil, in the south part of the country, grape juice is produced from the varieties Bordo, Isabel and Concord
This study demonstrated a rise in plasma antioxidant potential after chronic consumption of grape juice, indicating that this drink is able to improve the antioxidant capacity of the elderly
Our study found that chronic consumption of grape juice for thirty days promotes weight loss and reduction of body mass index reduction (BMI) and waist circumference (WC) in the elderly
Summary
In Brazil, in the south part of the country, grape juice is produced from the varieties Bordo, Isabel and Concord. This product is rich in phenolic compounds, including catechins, anthocyanins and resveratrol[1,2,3,4]. Many health benefits have been attributed to the regular consumption of grape juice because of the phenolic compounds present[5,6]. Some studies showed the polyphenols and its products to stimulate energy metabolism[14], and inhibit the lipase action[15]. Catechins could influence positively to the weight loss or maintenance, based on meta-analysis.[16] In addition, some studies exhibited that the consumption of drinks rich in polyphenols promoted weight loss[17,18], body mass index reduction (BMI)[18,19] and decreased the waist circumference (WC)[17,18]
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