2015
DOI: 10.1556/650.2015.30302
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Antioxidánsok – antioxidánssokk: tények és kérdések, 2015

Abstract: Az elmúlt években nagy jelentőséget tulajdonítottak az antioxidáns-kezelésnek az oxidatív stresszel összefüggő betegségek megelőzésében, illetve kezelésében. A kezdeti sikerek után azonban bizonyos antioxidánsok nem kívánt hatásairól, toxicitásáról, prooxidáns tulajdonságáról számoltak be (CARET, ATBC vizsgálat). A későbbi metaanalízi-sek eredményei sem támasztották alá az antioxidáns-pótlás alkalmazását az elsődleges és a másodlagos megelőzésben. A szerzők áttekintik az antioxidánsok prooxidáns tulajdonságait… Show more

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Cited by 4 publications
(3 citation statements)
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“…[1][2][3][4][5][6][7][8] In the last several decades, antioxidants have generated considerable interest as potential therapeutic drugs against a wide variety of chronic diseases. [9][10][11][12][13][14] Excessive accumulation of free radicals in the liver can lead to liver damage, brosis, and cirrhosis, and can eventually cause liver cancer. Consequently, antioxidants have been proposed as promising compounds for the prevention and treatment of hepatic damage.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4][5][6][7][8] In the last several decades, antioxidants have generated considerable interest as potential therapeutic drugs against a wide variety of chronic diseases. [9][10][11][12][13][14] Excessive accumulation of free radicals in the liver can lead to liver damage, brosis, and cirrhosis, and can eventually cause liver cancer. Consequently, antioxidants have been proposed as promising compounds for the prevention and treatment of hepatic damage.…”
Section: Introductionmentioning
confidence: 99%
“…Antioxidants function by safeguarding against ROS via the action of phytochemicals possessing antioxidant activity. Antioxidants are grouped into three categories based on their mechanism of action: (1) primary antioxidants that serve as free-radical scavengers or terminators, (2) secondary antioxidants that prevent chain initiation, and (3) tertiary antioxidants that participate in the restoration of impaired biomolecules [ 117 , 118 ]. Primary antioxidants include butylated hydroxyanisole (BHA), tertiary butylhydroquinone (TBHQ), propyl gallate (PG), and butylated hydroxytoluene (BHT), as well as natural antioxidants such as tocopherols, carotenoids, and flavonoids.…”
Section: Antioxidants In Thyroid Cancermentioning
confidence: 99%
“…Concluding, vitamin E supplementation is supposed to decrease arterial stiffness due to its antiatherogenic and antioxidant effects and the ability to restore endothelial function, but its prooxidant effect must be considered at higher doses. Meta-analyses failed to confirm the role of antioxidant supplementation in primary and secondary cardiovascular prevention and recommend combined use of antioxidants [ 112 ]. Several limitations have been noticed in studies evaluating the effect of antioxidant vitamins on arterial stiffness and cardiovascular risk, such as a small sample size, heterogenous study populations, lack of objective criteria to include participants as healthy, differences in definition criteria of patients who are potential candidates for antioxidant therapy, different type and dosage of antioxidants, low correlations between dietary vitamins C and E intake, and plasma levels, reflecting the innacuracy of dietary questionnaires in the assessment of intake, individual variations in vitamin absorption and metabolism, missing plasma levels of antioxidants, and data regarding treatment compliance [ 16 , 102 , 108 ].…”
Section: Vitamin Ementioning
confidence: 99%