background: paraquat is nonselective bipyridyl herbicide that induces hepatotoxicity through oxidative stress. vitamin c and chitosan have antioxidant as well as radical scavenger properties and show protective effects against reactive oxygen species (ros). in the present study, hepatoprotective effects of chitosan and vitamin c were evaluated in common carp exposed to paraquat. methods: while ...

Processed fruits and vegetables have been long considered to have lower nutritional value than the fresh produce due to the loss of vitamin C during processing. Vitamin C in apples has been found to contribute <0.4% of total antioxidant activity, indicating most of the activity comes from the natural combination of phytochemicals. This suggests that processed fruits and vegetables may retain th...

Density functional theory calculations were performed to investigate vitamin C interaction withN-doped TiO2 anatase nanoparticles. The adsorption of vitamin C on the energy favorable fivefoldcoordinated titanium sites was investigated. Various adsorption geometries of vitamin C towardsthe nanoparticle were examined. Since the adsorption energies of N-doped nanoparticles are higherthan those of ...

I . Iron deficiency was induced in albino rats by a milk-powder diet. Control groups were given milk powder plus an iron source. 2. The haemoglobin content of the blood was determined once each month. When the haemoglobin level fell to 10 g/Ioo ml or less in the deficient animals, determinations were made of the vitamin C content of 24 h urine as well as of liver, kidney, adrenals, brain and bl...

Vitamin C consumption is important in Iron absorption. Therefore, the purpose of this study was to investigate the effect of acute aerobic activity after two weeks vitamin C supplementation on Iron status and hematological indices in club football players. In this quasi-experimental study, 40 club football players from Khuzestan province were randomly divided into two groups of vitamin C and pl...

We hypothesize that selected combinations of nutrients commonly encountered in the human diet, suppress asthma-associated airway inflammation more effectively than currently available anti-inflammatory medications. Here we demonstrate that biflavones and terpenes, distributed widely in human diet (in this case derived from Ginkgo biloba) synergize with the carotenoid antioxidant astaxanthin and...

reactive oxygen species (ros) are generated by normal metabolic processes or from exogenous insults and chemical agents. they are capable of damaging essential biomolecules and accelerating cancer, cardiovascular diseases and neurodegenerative diseases. in the present study, the antioxidant role of terminalia chebula aqueous extract was evaluated against age-related oxidative stress in heart ti...