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Beers are a source of dietary flavonoids; however, there exist differences in composition, alcohol concentration, and beneficial activities. To characterize these differences, three kinds of lager beer of habitual consumption in Spain, dark, blond, and alcohol-free, were assayed for total phenolic content, antioxidant activity, superoxide and hydroxyl(More)
OBJECTIVE We evaluated the presence of oxidative stress in obese children without co-morbidities. METHODS The study population included 68 children (30 girls, 38 boys), between 6 and 14 years of age. The levels of markers of oxidative damage (malondialdehyde [MDA], and plasma carbonyl groups [CG]) and measures of antioxidant defense, such as the enzyme(More)
BACKGROUND Obesity is linked to insulin resistance (IR), which can lead to type 2 diabetes mellitus. Oxidative stress present in early obesity may favor the progression to comorbid conditions. OBJECTIVE To examine the relationship between oxidative stress biomarkers and the severity of IR in a group of obese children. METHODS Forty obese children with a(More)
Evidence of obesity-induced oxidative stress in adults has emerged in the past several years, and similar evidence has been demonstrated in children more recently. The reactive species of oxygen or nitrogen can chemically alter all major classes of biomolecules by modifying their structure and function. Organisms have developed mechanisms to protect(More)
AIM  To evaluate the effect of supplementing a hypocaloric diet with mandarin juice, a food with a high content of antioxidants (vitamin C, flavonoids and carotenoids), on biomarkers of oxidant/antioxidant status of severe obese children. METHODS  Forty obese children were randomized into two groups pair-wise in a 4-week controlled intervention study.(More)
The effect of a product made of dehydrated apples enriched with mandarin juice by vacuum impregnation on markers of oxidative stress (plasma antioxidant capacity, carbonyl groups (CGs), 8-hydroxydeoxyguanosine (8OHdG) and α-tocopherol) was tested in rats. Six groups of animals were studied: one group was fed a standard diet; two groups were supplemented(More)
The aim of this prospective study was to evaluate the utility of new biochemical markers to assess cardiometabolic risk in severely obese children and adolescents. A total of 107 subjects aged 7 to 14 years, were clinically assessed and anthropometric measures and percentage of fat mass by single frequency bioimpedance analysis were recorded. Of these, 44(More)
BACKGROUND Type 1 diabetes (T1D) mellitus and obesity are recognized risk factors for cardiovascular disease (CVD). A common mechanism underlying an increased risk for endothelial dysfunction in these two metabolic diseases is oxidative stress. OBJECTIVE To evaluate and compare the oxidant/antioxidant defense systems in children affected with T1D or(More)
BACKGROUND A favorable effect over development of degenerative diseases is derived of an adecuate intake of fruit and vegetables, mainly due to their antioxidant compounds OBJECTIVES The goal of this study was to test the effect in vivo over oxidant status and inflammation in obese children of a novel food product made of dried apples enriched with(More)
Different studies indicate that oxidative stress and mitochondrial damage are key factors in different pathogenic process. The aim of this study was to investigate the possible protective role of alcohol-free beer on adriamycin-induced (ADR) heart and liver toxicity using biomarkers of oxidative stress. This effect was compared with the effect of alcohol(More)