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Antioxidant Activity of Low Molecular Weight Laminarin Prepared with Gamma Irradiation
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  • Journal title : KSBB Journal
  • Volume 26, Issue 6,  2011, pp.565-568
  • Publisher : Korean Society for Biotechnology and Bioengineering
  • DOI : 10.7841/ksbbj.2011.26.6.565
 Title & Authors
Antioxidant Activity of Low Molecular Weight Laminarin Prepared with Gamma Irradiation
Choi, Jong-Il; Kim, Hyun-Joo; Lee, Ju-Woon;
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 Abstract
In this study, it was investigated the antioxidant activity of laminarin degraded by gamma irradiation. Because the activities of antioxidants have been attributed to various mechanisms, different assay methods have been conducted and compared. 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging activity, ferric reducing antioxidant power, and lipid peroxidation inhibitory activity of degraded laminarin were measured and compared with non-degraded. All of these results showed that the antioxidant activity of laminarin degraded by irradiation was increased depending on the absorbed dose. Therefore, gamma irradiation could be an alternative method for the preparation of degraded laminarin with higher antioxidant activity.
 Keywords
laminarin;gamma irradiation;degradation;antioxidant;
 Language
Korean
 Cited by
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