A comparison of screening methods for antioxidant activity in seaweeds

DOI PDF Web Site 被引用文献4件

書誌事項

公開日
1997-02
権利情報
  • https://www.springernature.com/gp/researchers/text-and-data-mining
  • https://www.springernature.com/gp/researchers/text-and-data-mining
DOI
  • 10.1023/a:1007935218120
公開者
Springer Science and Business Media LLC

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説明

The inhibition of lipid peroxidation and radical scavenging effects were studied to evaluate the antioxidant activity for extracts of 17 species of seaweed. The antioxidant effect was evaluated by determination of lipoxygenase activity and by α, α-diphenyl-β-picrylhydrazyl (DPPH) decolorization. Lipoxygenase activity was depressed in the presence of aqueous and ethanol extracts of 4 algal species; Sargassum species had the highest antioxidant activity of all the species examined. The ethanol extracts of one Sargassum species showed competitive inhibition with the substrate. The same species also showed radical scavenging activity in the DPPH decolorization test. Comparison of these results shows no relationship between enzyme inhibition and radical scavenging activity.

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