Antioxidant properties of chitosan from crab shells

Crab chitosan was prepared by alkaline N-deacetylation of crab chitin for 60, 90 and 120 min and its antioxidant properties studied

Ming-Tsung Yen

2008

Scholarcy highlights

  • Crab chitosan was prepared by alkaline N-deacetylation of crab chitin for 60, 90 and 120 min and its antioxidant properties studied
  • All EC50 values of antioxidant activity were below 1.5 mg/mL
  • With regard to antioxidant properties assayed, the effectiveness of chitosans C60, C90 and C120 correlated with their N-deacetylation times
  • Crab chitosan was good in antioxidant activity, scavenging ability on hydroxyl radicals and chelating abilities on ferrous ions and may be used as a source of antioxidants, as a possible food supplement or ingredient in the pharmaceutical industry

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