نتایج جستجو برای: antioxidant activity and capacity
تعداد نتایج: 16985062 فیلتر نتایج به سال:
This study represents the first report on the chemical composition and biological activity of Trifolium angustifolium var. angustifolium. The major components of the essential oil were identified as hexatriacontene (23.0%), arachidic acid (15.5%) and α-selinene (10.0%). The main constituents of the fatty acid obtained from the petroleum ether extract were identified as palmitic acid (29.8%), li...
conclusions gallic acid and csa combination improved antioxidant capacity and cell membrane integrity more than each one alone. therefore, it can be a therapeutic approach to reduce the i/r injury. background myocardial infarction is one of the important causes of death during old ages. gallic acid as an antioxidant or cyclosporine a (csa) as inhibitor of mitochondrial permeability transition p...
Reactive oxygen species (ROS) are natural byproducts of oxidative respiration that are toxic to organs and tissues. To mitigate ROS damage, organisms have evolved a variety of antioxidant systems to counteract these harmful molecules, however in certain pathological conditions these protective mechanisms can be overwhelmed. We have recently demonstrated that Peptide Inhibitor of Complement C1 (...
Physical activities are associated with increased production of reactive oxygen species. The production of reactive oxygen species is dependent of the intensity, duration and type of activity. Although the physiological amounts of reactive oxygen species are necessary to regulate cell reactions, their excessive production can cause numerous damages to the structure and function of cells and wea...
In this study, effect of different levels of dietary protein (25, 35 and 45 per cent) and water salinity (0-3, 12-15 and 32-35 ppt) on antioxidant enzymes of white leg shrimp (Penaeus vannamei) was studied. 324 P.vannamei (with mean weight±SE: 5.55 ± 0.18 gr) were randomly distributed in twenty seven tanks. Experimental shrimps were fed by formulated diets for 56 days and at the end of the expe...
Background: Rapid development of the nanotechnology industry requires that we understand the toxicity of nanoparticles and factors associated with their risks to living organisms. The aim of this study was to investigate the toxicity of nickel nanoparticles (Ni NPs) and nickel chloride on the activity of antioxidant enzymes in serum and liver of rats. Materials and Methods: In this experimental...
background and objectives: lamiaceae members have long been used in iranian traditional medicine (itm) for their various medicinal properties. the main objective of this study was to evaluate the antioxidant capacity and antimicrobial activity as well as the total phenolic content (tpc) of the various extracts and fractions of two iranian endemic micromeria (m. persica and m. hedgei). methods: ...
Background & Aim:Extracts of Roselle calyx, possess compounds which could be considered as a great source of natural antioxidants. In this project, antioxidant activities, phenolic compounds content and their correlation analysis on calices of Roselle (Hibiscus sabdariffa) was investigated. Experimental: Total polyphenolic compound, flavonoids and anthoc...
Withania somnifera of the family Solanaceae has been considered as an important herb in the traditional Ayurvedic and in the indigenous medical system in Bangladesh for its use in the prevention of different central nervous system (CNS) disorders, especially in the conditions of stress and neurodegenerative diseases. Five different extracts of Withania somnifera root were scrutinized to unfold ...
Recognition of medicinal plants and their biochemical compounds provides fundamental steps for the optimal use of medicinal combinations and their properties. In this study, the antioxidant activity, quantitative and qualitative of essential oil of Artemisia kopetdaghensis and A. sieberi Besser in Razo Jarglan rangelands located in North Khorasan province were investigated. The antioxidant capa...
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