Search Results - "lutein"

Relevance. Pumpkin is one of the most important source of carotenoids for humans: β- and α-carotene, lutein and zeaxanthin playing a fundamental role in providing twilight and color vision accordingly.Results. Investigation of pumpkin carotenoid composition, Konfetka variety, revealed for the first...

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Lutein is an antioxidant carotenoid present in the highest quantities in dark, leafy green vegetables such as spinach. In this study, and for the first time we try to separate and calculate the quantity of lutein in Iraqi spinach to know the dietary requirements from this active drug to avoid age m...

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Age-related macular degeneration (AMD) is a multifactorial disease. Age, light exposure, smoking, melanin levels and low-antioxidant diet are contributed to AMD development and progression. Cardiovascular disorders are of considerable importance as well. In macula, photoreceptor outer segments that...

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Carotenoids are an important component of the human diet, and fruit is a primary source of carotenoids. The synthesis and regulation of carotenoids in fruit are important contributors to the formation of fruit quality. In China, strawberry is one of the main seasonal fruits grown in the winter. Prev...

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Oxidative stress due to the imbalance in the production and detoxification of reactive oxygen species in antioxidant defence system of the body, as well as subsequent chronic inflammation, is believed to be associated with age-related eye diseases. Prevention of chronic degenerative diseases such as...

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Common pathogenic aspects of age-related macular degeneration (AMD) and primary open-angle glaucoma (POAG), i.e., the role of free radicals inducing oxidative damage of the retina and optic nerve, are discussed. Factors that activate free radical reactions as well as multilevel antioxidant protectio...

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The lutein-containing vitamin-mineral complex Retinorm, developed on the basis of the formula AREDS 2, with an optimal content of vitamins and minerals involved in antioxidant protection, is a potentially promising ophthalmic geroprotector.Purpose: to evaluate the effectiveness of vitamin-mineral co...

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Lutein- and astaxanthin-fortified eggs can greatly improve both nutritional and economic values of eggs. High doses of lutein and astaxanthin are often supplemented in hen diets to rapidly accumulate lutein and astaxanthin in eggs. In this study, an additional 100, 200, and 400 mg/kg lutein and asta...

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Objective: This study investigated the use of the nano-lutein compound to reduce the negative effect of oxidative stress on some physiological parameters in male white rats. Methods: Forty-eight male laboratory rats, 12–14 weeks old and 200–250 grams in weight, were used in this study, which was...

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Kernel color is an important trait for assessing the commercial and nutritional quality of foxtail millet. Yellow pigment content (YPC) and carotenoid components (lutein and zeaxanthin) of 270 foxtail millet accessions, including 50 landraces and 220 improved cultivars, from four different eco-regio...

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Tea and various tea beverages have always been popular products rich in antioxidants. Amaranth is considered a “super product” due to the content of high-quality gluten-free protein, unsaturated fatty acids, vitamins and minerals. The leaves of the red-colored varieties of Amaranthus cruentus L., ri...

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Objective: The ethanol-ammonium sulfate aqueous two-phase extraction of lutein from Physalis pubescens was studied, and the antioxidant activity of lutein was further discussed. Method: The effects of ammonium sulfate mass fraction, ethanol mass fraction, and sample solution mass fraction on phase r...

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The global prevalence of Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) is increasing, now affecting 25%–30% of the population worldwide. MASLD, characterized by hepatic steatosis, results from an imbalance in lipid metabolism, leading to oxidative stress, lipoperoxidation, and inf...

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Background Ischemia-reperfusion injury is a well-recognized challenge in reconstructive flap surgery, often leading to partial or total tissue necrosis. In this experimental study, we aimed to evaluate the protective effects of lutein—a non-provitamin A carotenoid known for its antioxidant and anti-...

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Purpose: to assess the possibilities of ophthalmonutraceuticals using in age-related macular degeneration (AND) patients.Patients Methods. The study included 35 patients (68.3 ± 6.3 years old; 15 men, 20 women) with AMD (AREDS-2 and AREDS-3 categories). As an ophthalmic nutraceutical, a biological a...

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Relevance. The demand for medicinal raw materials of Calendula officinalis L. is determined by the high content of pharmacologically significant compounds. Comparison of the most common ornamental cultivars of Calendula officinalis L.) in terms of yield and content of biologically active substances...

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With aging, the prevalence of eye diseases such as primary open-angle glaucoma (POAG) and age-related macular degeneration (AMD) increases, making them leading causes of vision loss in older adults. Recent studies suggest that a decrease in macular pigment optical density (MPOD), composed of lutein,...

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Objective. To assess the dynamics of structural-functional markers in patients with combined pathology: primary open-angle glaucoma (POAG) and age-related macular degeneration (AMD) with the background of lutein-containing drugs at long-term follow-up. Patients and Methods. The period of research wa...

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The development of Parkinson's disease (PD) is fundamentally linked to neuroinflammation and the overstimulation of microglia. Previous studies suggest that lutein exerts anti-inflammatory effects on the nervous system. This study aimed to investigate the function and mechanism of lutein in ame...

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