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Plant Foods for Human Nutrition

, Volume 52, Issue 3, pp 253–262 | Cite as

Antioxidative activities in some common seaweeds

  • Xiaojun Yan
  • Tadahiro Nagata
  • Xiao Fan
Article

Abstract

Dietary antioxidants from plants are believed to help prevent aging and other diseases through radical scavenging activity. Free radical scavenging activities by 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay and deoxyribose assay were ascertained among 27 species of common seaweeds using a sequential extraction method. The results indicated that, DPPH scavenging activity existed in 15 species; Gelidium amansii, Gloiosiphonia capillaris, Polysiphonia urceolata, Sargassum kjellmanianum, Desmarestia viridis, and Rhodomela teres showed the strongest activities. On the other hand, the deoxyribose results showed that almost all the seaweed species had good ability to scavenge hydroxyl radicals. The most active species were Rhodomela teres and Chorda filum.

Antioxidant Deoxyribose assay Free radical 1,1-Diphenyl-2-picrylhydrazyl (DPPH) Seaweed 

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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Xiaojun Yan
    • 1
  • Tadahiro Nagata
    • 1
  • Xiao Fan
    • 2
  1. 1.National Food Research InstituteTsukuba, IbarakiJapan
  2. 2.Institute of OceanologyChinese Academy of SciencesQingaoP. R. China

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