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Antioxidant activities of fucoidan degraded by gamma irradiation and acidic hydrolysis

Cited 8 time in scopus
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Title
Antioxidant activities of fucoidan degraded by gamma irradiation and acidic hydrolysis
Other Titles
fucoidan의 항산화 효과
Authors
Lim, Sangyong
Choi, Jong-il
Park, Hyun
Keywords
Fucoidan; Gamma irradiation
Issue Date
2015
Citation
Lim, Sangyong, Choi, Jong-il, Park, Hyun. 2015. "Antioxidant activities of fucoidan degraded by gamma irradiation and acidic hydrolysis". RADIATION PHYSICS AND CHEMISTRY, 109: 23-26.
Abstract
Low molecularweightfucoidan,preparedbyradicaldegradationusinggammaraywasinvestigatedfor its antioxidantactivitieswithdifferentassaymethods.Asthemolecularweightoffucoidandecreased with ahigherabsorbeddose,ferric-reducingantioxidantpowervaluesincreased,but β-carotene bleaching inhibitiondidnotchangesignificantly.Theantioxidantactivityofacid-degradedfucoidanwas also examinedtoinvestigatetheeffectofdifferentdegradationmethods.Atthesamemolecularweight, fucoidan degradedbygammairradiationshowedhigher1,1-diphenyl-2-picrylhydrazylradicalscaven- ging activitythanthatobservedwiththeacidicmethod.Thisresultrevealsthatinadditiontomolecular weight, thedegradationmethodaffectstheantioxidantactivityoffucoidan.
URI
http://repository.kopri.re.kr/handle/201206/7398
DOI
http://dx.doi.org/10.1016/j.radphyschem.2014.12.008
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