background: oxidative stress is detrimental to semen quality and has a significant role in the etiology of male subfertility. methods: dietary intake of antioxidants were compared between thirty two men with oligolastheno/ teratazoospermic (cases) and 32 normospermic volunteers (controls) attending fertility clinic in mirza koochak-khan hospital in tehran, iran. all participants were nonsmokers...

High intake of fruit and vegetables is believed to be beneficial to human health. Fruit, vegetables and some beverages, such as tea and coffee, are particularly rich in dietary polyphenols. Various studies have suggested (but not proven) that dietary polyphenols may protect against cardiovasucalar diseases, neurodegenerative diseases and some forms of cancer. Dietary polyphenols may exert their...

The dietary supplements with claimed antioxidant activity constitute a substantial part of the dietary supplement market. In this study, we performed the LC-QTOF-MS analysis and investigated the activity profiles of popular antioxidant dietary supplements from different chemical groups in terms of quality control. The commonly used antioxidant tests and statistical analysis revealed that substa...

BACKGROUND Several lines of evidence suggest a tight association between oxidative stress and the pathogenesis of osteoporosis in humans. The intake of antioxidants may influence Bone Mineral Density by acting as free radical scavengers, preventing oxidation-induced damage to bone cells. OBJECTIVE The aim of this study was to assess the association between the Dietary Antioxidant Quality Scor...

BACKGROUND A neuroprotective effect of dietary antioxidants on Parkinson's disease (PD) risk has been suggested, but epidemiological evidence is limited. OBJECTIVES To examine the associations between intake of dietary antioxidant vitamins and total antioxidant capacity and risk of PD. METHODS We prospectively assessed the relationships of dietary antioxidant vitamins C and E, ß-carotene, a...

BACKGROUND & AIMS Oxidative stress and inflammation seem to be potential underlying mechanisms for telomere attrition. A lack of specific antioxidants is believed to increase free radical damage and a greater risk for telomere shortening. Our aim was to evaluate the relationship between diet and leukocyte telomere length in a cross-sectional study of children and adolescents. We hypothesized th...

The release of reactive oxygen and nitrogen species (ROS and RNS) during the inflammatory response generates damages to host tissues, referred to as immunopathology, and is an important factor in ecological immunology. The integrated antioxidant system, comprising endogenous antioxidant enzymes (e.g. superoxide dismutase SOD, and catalase CAT) and dietary antioxidants (e.g. carotenoids), helps ...

This study was conducted to estimate antioxidant vitamin intake and total antioxidant capacity (TAC) from diet and dietary supplements and to examine their association with metabolic syndrome (MetS) in Korean adults. Out of 6308 adults 19~64 years old from the 2010~2011 Korea National Health and Nutrition Examination Survey, 1847 adults were classified as dietary supplement users and the other ...

BACKGROUND Dietary antioxidant intake has been suggested to protect against oxidative damage and related clinical complications. The aim of the present study was to assess the potential relationships between the dietary total antioxidant capacity (TAC) and obesity-related features in children and adolescents. MATERIALS AND METHODS Anthropometric variables from 369 children and adolescents wer...

conclusions it seems that dietary quality indices may be associated with nafld. calcium, vitamin d, and antioxidant micronutrients intake might be lower among patients with nafld based on this case-control study. further prospective studies should be conducted in this regard. results patients with nafld had higher body mass index, weight and waist circumference compared to the healthy group (p ...