2007
DOI: 10.1016/j.foodchem.2006.11.002
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Antioxidant capacities of individual and combined phenolics in a model system

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Cited by 171 publications
(127 citation statements)
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“…Tea polyphenols are the most significant group of tea components and have a wide range of pharmaceutical properties including antioxidative, anticarcinogenic and antiatheriosclerotic (Dufresne & Farnworth 2001;Atoui et al 2005). The antioxidative properties of flavonoids are manifested particularly by their abilities to inhibit free radical generation, scavenge free radicals and chelate transition metal ions, mainly iron and copper, which are catalysts of free radical reactions (Wang et al 2000;Heo et al 2007;Khan & Mykhtar 2007). They also prevent free radical generation by increasing the activity of enzymes with antioxidative properties (Spencer et al 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Tea polyphenols are the most significant group of tea components and have a wide range of pharmaceutical properties including antioxidative, anticarcinogenic and antiatheriosclerotic (Dufresne & Farnworth 2001;Atoui et al 2005). The antioxidative properties of flavonoids are manifested particularly by their abilities to inhibit free radical generation, scavenge free radicals and chelate transition metal ions, mainly iron and copper, which are catalysts of free radical reactions (Wang et al 2000;Heo et al 2007;Khan & Mykhtar 2007). They also prevent free radical generation by increasing the activity of enzymes with antioxidative properties (Spencer et al 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Phenolic compounds are known for exhibiting antioxidant activity on the basis of their structure, number of hydroxyl groups and their distribution in the structure (Heo et al, 2007). In the present study, acetone and ethanol solvent extracts showed maximum capacity to extract the phenolic compounds than chloroform and petroleum ether solvents.…”
Section: Discussionmentioning
confidence: 46%
“…Przeciwutleniacze już w niewielkim stężeniu wykazują efektywność neutralizacji wodnych rodników [11]. Właściwości przeciwutleniajace ekstraktów roślinnych uzależnione są także od składu jakościowego związków fenolowych, których potencjał przeciwutleniający zależy od pozytywnego i negatywnego synergizmu składników aktywnych [12]. Wyniki niniejszych badań dowodzą, że czosnek pospolity (Allium sativum L.) uprawiany w różnych regionach geograficznych charakteryzuje się zróżnicowanym potencjałem przeciwutleniającym, odmienną cytotoksycznością wobec ludzkich fibroblastów skóry i hamowaniem wzrostu drożdży Saccharomyces cerevisiae.…”
Section: Rys 1 Zdolność Wygaszania Rodnika Dpph• (A) I Abts•+ (B) Punclassified