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The antioxidant properties of alcoholic extracts from Sambucus nigra L. (antioxidant properties of extracts)
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On practical problems in estimation of antioxidant activity of compounds by DPPH method (Problems in estimation of antioxidant activity)
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Antioxidant properties of ferrous flavanol mixtures
PublicationInteraction of metal, especially iron ions with flavanols is considered as an important feature of these compounds and is believed to contribute to their both antioxidant and prooxidant properties. The aim of this study was to examine how Fe2+ binding to form a 4:1 (flavanol:Fe2+) mixtures affects the antioxidant properties of flavanols. ABTS∗ scavenging, protection against fluorescence bleaching induced by AAPH and hypochlorite,...
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DES - polarity, pH and antioxidant potential
Open Research DataThis physicochemical properties of selected deep eutectic solvents (DES) were tested. Polarity is important for extraction efficiency. The values of pH can importantly affect growing of bacteria and yeasts strains. Total phenolic content, DPPH and FRAP methods were used for determination of antioxidant potential of the extract produced with DES.
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Antioxidant activities and bioactive components in some berries
PublicationThe objective of this study was to evaluate the antioxidant and binding effects of gooseberry, a less-stud-ied berry, and to compare with blueberry and cranberry in the model of interaction with human serum albumin (HSA). The relationship between the scavenging properties of dietary polyphenols of the selected berries and their affinities for HSA were investigated by fluorescence anal- ysis. In order to perform the extraction and...
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Cytotoxic and Antioxidant Activities of Benzohydroxamic Acid Analogues
Publication20 benzohydroxamic acid analogues were synthesized and evaluated for their in vitro cytotoxicities against mouse mammary tumor cells as well as antioxidant activities against DPPH radical and superoxide anion. It was found that benzothiohydroxamic acids exhibit greater cytotoxicities than benzohydroxamic acids and N-isopropyl derivatives are more active than N-methyl ones. On the other hand, benzothiohydroxamic acids show more...
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Tea and Liver Antioxidant Capabilities in Ethanol Toxicity
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Antioxidant properties of black tea in alcohol intoxication
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Inhibition of cancer antioxidant defense by natural compounds
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The antioxidant properties of anthocyanins in different Aronia products
PublicationOgromne znaczenie w patologii wielu chorób, w tym chorób układu krążenia oraz nowotworów, ma stan przewlekłego stresu oksydacyjnego. Podwyższonej produkcji reaktywnych form tlenu mogą zapobiegać naturalne przeciwutleniacze pochodzenia roślinnego. Z tego powodu przedmiotem badań w wielu ośrodkach naukowych na świecie są rośliny, których składniki charakteryzują się wysokim potencjałem przeciwutleniającym. Do takich roślin zalicza...