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http://dx.doi.org/10.7841/ksbbj.2011.26.6.565

Antioxidant Activity of Low Molecular Weight Laminarin Prepared with Gamma Irradiation  

Choi, Jong-Il (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Kim, Hyun-Joo (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Lee, Ju-Woon (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Publication Information
KSBB Journal / v.26, no.6, 2011 , pp. 565-568 More about this Journal
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;
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Times Cited By KSCI : 3  (Citation Analysis)
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