2013
DOI: 10.3109/14756366.2013.858144
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Abstract: In this study, firstly, antioxidant and polyphenol oxidase (PPO) properties of Yomra apple were investigated. Seventeen phenolic constituents were measured by reverse phasehigh-performance liquid chromatography (RP-HPLC). Total phenolic compounds (TPCs), ferric reducing antioxidant power (FRAP) and 2, 2-diphenyl-1-picrylhydrazyl radical (DPPH) scavenging activities were performed to measure antioxidant capacity. Some kinetic parameters (K m , V max ), and inhibition behaviors against five different substrates … Show more

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Cited by 31 publications
(25 citation statements)
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“…However, the result of the total phenolic content in both seeds’ extracts was higher than that of the seed of Aframomum species (Adefegha and Oboh ), Yomra apple (Can et al . ) but was lower when compared to that of methanolic extract and soluble fractions of T. leptophylla (Saeed et al . ), some wild edible mushrooms (Yildiz et al .…”
Section: Discussionmentioning
confidence: 99%
“…However, the result of the total phenolic content in both seeds’ extracts was higher than that of the seed of Aframomum species (Adefegha and Oboh ), Yomra apple (Can et al . ) but was lower when compared to that of methanolic extract and soluble fractions of T. leptophylla (Saeed et al . ), some wild edible mushrooms (Yildiz et al .…”
Section: Discussionmentioning
confidence: 99%
“…The total antioxidant activity of the beer samples was measured by the ferric reducing antioxidant power (FRAP) assay described by Piazzon et al [8] and Can et al [39]. Briefly, the FRAP reagent contained 5 mL of a TPTZ solution (10 mmol) in HCl (40 mM) plus 5 mL of FeCl 3 (20 mmol) and 50 mL of acetate buffer (0.3 mol/L, pH 3.6).…”
Section: Frap Reducingmentioning
confidence: 99%
“…The 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical has been used widely in the model system to investigate the scavenging activities of several synthesized and natural compounds 30 . The DPPH method is based on the fact that the free radical is purple in color, and that the purple color of DPPH decays in the presence of an antioxidant.…”
Section: Dpph Scavenging Assaymentioning
confidence: 99%