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- W2359565732 abstract "Objective: To explore the in vitro antioxidant activity of Padus virginiana fruit anthocyanins and determine the activity of intracellular antioxidant enzymes and the content of oxidative products.Methods: The scavenging activity against DPPH,superoxide anion,hydroxyl free radicals and hydrogen peroxide and total reducing power were determined by spectrophotometry,salicylic acid colorimetric method,pyrogallol self-oxidation,sodium thiosulfate titration and potassium ferricyanide reduction method,respectively.The activities of GSH-Px,CAT and T-SOD and MDA content in tumor cells were determined.Results: The anthocyanins extracted from Padus virginiana fruits had weaker scavenging effects on the free radicals and hydrogen peroxide and lower total reducing power than VC.The activities of the antioxidant enzymes GSH-Px,CAT,T-SOD declined when exposed to increasing of these anthocyanins,indicating the existence of a concentration-dependen relationship.Moreover,intracellular MDA content linearly increased as the concentration of Padus virginiana anthocyanins increased.Conclusion: Padus virginiana anthocyanins have strong antioxidant capacity and obvious impact on the activity of antioxidant enzymes and the contents of oxidative products in tumor cells." @default.
- W2359565732 created "2016-06-24" @default.
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- W2359565732 date "2013-01-01" @default.
- W2359565732 modified "2023-09-24" @default.
- W2359565732 title "Antioxidant Activity of Padus virginiana Anthocyanins" @default.
- W2359565732 hasPublicationYear "2013" @default.
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