lutein/obésité

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Effects of lutein supplementation on inflammatory biomarkers and metabolic risk factors in adults with central obesity: study protocol for a randomised controlled study.

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The prevalence of central obesity is constantly increasing, and visceral fat is associated with increased production of inflammatory factors and metabolic risk factors. Lutein might retard the development of metabolic disease through its antioxidant and anti-inflammatory properties.

Lutein interacts with ascorbic acid more frequently than with alpha-tocopherol to alter biomarkers of oxidative stress in female zucker obese rats.

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The influence of dietary lutein, with and without moderate amounts of vitamin C (VC) or vitamin E (VE), on biomarkers of oxidative stress was examined in rats. Nine groups of immature Zucker obese (fa/fa) and lean female rats (8/group) consumed ad libitum for 8 wk the AIN-93G diet (Control) to which

Obesity, lutein metabolism, and age-related macular degeneration: a web of connections.

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Age-related macular degeneration (AMD) is a major cause of visual impairment in the United States. Currently there is no effective cure for this disease. Risk factors include decreased lutein and zeaxanthin status and obesity. Obesity is also an increasing public health concern. The alarming

Lutein and zeaxanthin isomers modulates lipid metabolism and the inflammatory state of retina in obesity-induced high-fat diet rodent model.

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BACKGROUND Several studies associated high-fat intakes with a high incidence of age-related macular degeneration (AMD). Lutein and Zeaxanthin isomers (L/Zi) may counteract reactive oxygen species produced by oxidative stress. The present study was conducted to determine the possible effects of L/Zi

[The assessment of beta-carotene, lycopene and lutein intake selected group of adults].

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BACKGROUND Carotenoids as biologically active compounds, found in products of plant origin, have a beneficial impact on human health by protecting it against the development of many diseases. People and animals do not have the ability to synthesize these compounds de novo, they must be regularly

Validation of overweight children's fruit and vegetable intake using plasma carotenoids.

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Assessing dietary intake in children is difficult and limited validated tools exist. Plasma carotenoids are nutritional biomarkers of fruit and vegetable intake and therefore suitable to validate reported dietary intakes. The aim of this study was to examine the comparative validity of a food

Depletion of serum carotenoid and other fat-soluble vitamin concentrations following obesity surgery.

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BACKGROUND Obesity constitutes a growing health problem, and surgical treatment of severe obesity is increasingly used. Nutrient deficiencies are common following bariatric surgery and the evidence indicates a progressive increase in the incidence and severity of the deficiency of certain vitamins

Diets rich in fruits and vegetables suppress blood biomarkers of metabolic stress in overweight women.

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OBJECTIVE This study was performed to evaluate the effects of high vegetable-fruit (high-VF) and low vegetable-fruit (low-VF) diet on surrogate biomarkers of adiposity-related metabolic disturbances. METHODS Overweight women (n=22, 19-29 years) participated in the study between July and August, 2007

Plasma concentrations of carotenoids and vitamin C are better correlated with dietary intake in normal weight than overweight and obese elderly subjects.

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Carotenoid and vitamin C intakes, assessed by FFQ, have been positively associated with plasma concentrations in different populations. However, the influence of BMI on these associations has not been explored in detail. We explored in a cross-sectional study the relation between dietary carotenoid

Macular Xanthophylls and Event-Related Brain Potentials among Overweight Adults and Those with Obesity.

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SCOPE

Macular accumulation of xanthophyll carotenoids (lutein, zeaxanthin) is known to have neuroprotective potential, yet their influence on cognition among overweight adults and those with obesity remains limited. This study examines the impact of macular xanthophylls on

Wolfberries potentiate mitophagy and enhance mitochondrial biogenesis leading to prevention of hepatic steatosis in obese mice: the role of AMP-activated protein kinase α2 subunit.

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METHODS The aim of this study is to investigate whether AMP-activated protein kinase α2 (AMPKα2) is essential for wolfberry's protective effects on mitochondrial dysfunction and subsequent hepatic steatosis in mice. RESULTS Six-week-old male AMPKα2 knockout mice and genetic background C57BL/6J (B6)

The relationship between lutein and zeaxanthin status and body fat.

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The objective of this project was to investigate the relationships between total and regional distribution of body fat and tissue lutein (L) and zeaxanthin (Z) status. Healthy men and women (N = 100; average age: 22.5 year, average BMI: 23.4 kg/m2) were evaluated. Total body and regional fat mass

[Sex gland function in obese women].

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A study was made of the functional state of the gonads in 365 obese women. Clinical data were compared with the results of study of fractional composition of estrogens excreted with the urine at various phases of the menstrual cycle. Gonad dysfunction was much more frequent in neuro-endocrine than

Keto-carotenoids are the major metabolites of dietary lutein and fucoxanthin in mouse tissues.

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Fucoxanthin, a xanthophyll present in brown algae consumed in Eastern Asia, can suppress carcinogenesis and obesity in rodents. We investigated the metabolism, tissue distribution, and depletion of fucoxanthin in ICR mice by comparison with those of lutein. The experiments comprised 14-d dietary

Eggs modulate the inflammatory response to carbohydrate restricted diets in overweight men.

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BACKGROUND Carbohydrate restricted diets (CRD) consistently lower glucose and insulin levels and improve atherogenic dyslipidemia [decreasing triglycerides and increasing HDL cholesterol (HDL-C)]. We have previously shown that male subjects following a CRD experienced significant increases in HDL-C

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