Free Radical Scavenging Activity of Chitooligosaccharides by Electron Spin Resonance Spectrometry
The radical scavenging effects of chitooligosaccharides (COSs) on hydroxyl radical, superoxide radical, alkyl radical, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical were investigated using a spin-trapping electron spin resonance (ESR) method and compared with the ESR signal intensity. COSs exhibi...
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| Veröffentlicht in: | Journal of agricultural and food chemistry 2003-07, Vol.51 (16), p.4624-4627 |
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| container_issue | 16 |
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| container_title | Journal of agricultural and food chemistry |
| container_volume | 51 |
| creator | Park, Pyo-Jam Je, Jae-Young Kim, Se-Kwon |
| description | The radical scavenging effects of chitooligosaccharides (COSs) on hydroxyl radical, superoxide radical, alkyl radical, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical were investigated using a spin-trapping electron spin resonance (ESR) method and compared with the ESR signal intensity. COSs exhibited strong scavenging activity on hydroxyl radical and superoxide radical and weak scavenging activity on alkyl radical and DPPH radical. The radical scavenging activity of COSs increased with increment of concentration, and it was also dependent on molecular weight. These results suggest that the scavenging activity of COSs is dependent on their molecular weights and tested radicals. Keywords: Chitooligosaccharides; electron spin resonance; free radical; radical scavenging activity |
| doi_str_mv | 10.1021/jf034039+ |
| format | Article |
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COSs exhibited strong scavenging activity on hydroxyl radical and superoxide radical and weak scavenging activity on alkyl radical and DPPH radical. The radical scavenging activity of COSs increased with increment of concentration, and it was also dependent on molecular weight. These results suggest that the scavenging activity of COSs is dependent on their molecular weights and tested radicals. Keywords: Chitooligosaccharides; electron spin resonance; free radical; radical scavenging activity</description><identifier>ISSN: 0021-8561</identifier><identifier>EISSN: 1520-5118</identifier><identifier>DOI: 10.1021/jf034039+</identifier><identifier>PMID: 14705887</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Biphenyl Compounds ; chitooligosaccharides ; Chitosan - chemistry ; Chitosan - pharmacology ; electron paramagnetic resonance spectroscopy ; Electron Spin Resonance Spectroscopy ; free radical scavengers ; Free Radical Scavengers - chemistry ; free radicals ; Hydroxyl Radical - chemistry ; Molecular Weight ; Oligosaccharides - chemistry ; Oligosaccharides - pharmacology ; Picrates - chemistry ; Structure-Activity Relationship ; Superoxides - chemistry</subject><ispartof>Journal of agricultural and food chemistry, 2003-07, Vol.51 (16), p.4624-4627</ispartof><rights>Copyright © 2003 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a436t-4899ac87be9f28544978ca5ae2e0cee7249d6639ca19a9e02ad42944303aef6c3</citedby><cites>FETCH-LOGICAL-a436t-4899ac87be9f28544978ca5ae2e0cee7249d6639ca19a9e02ad42944303aef6c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/jf034039+$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/jf034039+$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14705887$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Park, Pyo-Jam</creatorcontrib><creatorcontrib>Je, Jae-Young</creatorcontrib><creatorcontrib>Kim, Se-Kwon</creatorcontrib><title>Free Radical Scavenging Activity of Chitooligosaccharides by Electron Spin Resonance Spectrometry</title><title>Journal of agricultural and food chemistry</title><addtitle>J. Agric. Food Chem</addtitle><description>The radical scavenging effects of chitooligosaccharides (COSs) on hydroxyl radical, superoxide radical, alkyl radical, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical were investigated using a spin-trapping electron spin resonance (ESR) method and compared with the ESR signal intensity. COSs exhibited strong scavenging activity on hydroxyl radical and superoxide radical and weak scavenging activity on alkyl radical and DPPH radical. The radical scavenging activity of COSs increased with increment of concentration, and it was also dependent on molecular weight. These results suggest that the scavenging activity of COSs is dependent on their molecular weights and tested radicals. Keywords: Chitooligosaccharides; electron spin resonance; free radical; radical scavenging activity</description><subject>Biphenyl Compounds</subject><subject>chitooligosaccharides</subject><subject>Chitosan - chemistry</subject><subject>Chitosan - pharmacology</subject><subject>electron paramagnetic resonance spectroscopy</subject><subject>Electron Spin Resonance Spectroscopy</subject><subject>free radical scavengers</subject><subject>Free Radical Scavengers - chemistry</subject><subject>free radicals</subject><subject>Hydroxyl Radical - chemistry</subject><subject>Molecular Weight</subject><subject>Oligosaccharides - chemistry</subject><subject>Oligosaccharides - pharmacology</subject><subject>Picrates - chemistry</subject><subject>Structure-Activity Relationship</subject><subject>Superoxides - chemistry</subject><issn>0021-8561</issn><issn>1520-5118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpl0FFv0zAQB3ALgVgZPPAFIA8ITUKBc2LH9uNUbQNRCWg2CfFiXZ1L55LGxU4n-u3JSIEHnqzz_fTX6c_Ycw5vORT83aaFUkBp3jxgMy4LyCXn-iGbwbjMtaz4CXuS0gYAtFTwmJ1woUBqrWYMLyNRtsTGO-yy2uEd9Wvfr7NzN_g7Pxyy0GbzWz-E0Pl1SOjcLUbfUMpWh-yiIzfE0Gf1zvfZklLosXc0jr__tzTEw1P2qMUu0bPje8puLi-u5-_zxaerD_PzRY6irIZcaGPQabUi0xZaCmGUdiiRCgJHpAphmqoqjUNu0BAU2IjCCFFCidRWrjxlr6fcXQw_9pQGu_XJUddhT2GfrOIS7kNHeDZBF0NKkVq7i36L8WA52Ps-7Z8-R_rimLlfban5B4_9jSCfgE8D_fy7x_jdVqpU0l5_ru1iWdWLLx-_2a-jfzn5FoPFdfTJ3tQFcAHAS65VMYpXk0CX7CbsYz-W9v9lvwBBNZSL</recordid><startdate>20030730</startdate><enddate>20030730</enddate><creator>Park, Pyo-Jam</creator><creator>Je, Jae-Young</creator><creator>Kim, Se-Kwon</creator><general>American Chemical Society</general><scope>FBQ</scope><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20030730</creationdate><title>Free Radical Scavenging Activity of Chitooligosaccharides by Electron Spin Resonance Spectrometry</title><author>Park, Pyo-Jam ; Je, Jae-Young ; Kim, Se-Kwon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a436t-4899ac87be9f28544978ca5ae2e0cee7249d6639ca19a9e02ad42944303aef6c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Biphenyl Compounds</topic><topic>chitooligosaccharides</topic><topic>Chitosan - chemistry</topic><topic>Chitosan - pharmacology</topic><topic>electron paramagnetic resonance spectroscopy</topic><topic>Electron Spin Resonance Spectroscopy</topic><topic>free radical scavengers</topic><topic>Free Radical Scavengers - chemistry</topic><topic>free radicals</topic><topic>Hydroxyl Radical - chemistry</topic><topic>Molecular Weight</topic><topic>Oligosaccharides - chemistry</topic><topic>Oligosaccharides - pharmacology</topic><topic>Picrates - chemistry</topic><topic>Structure-Activity Relationship</topic><topic>Superoxides - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Pyo-Jam</creatorcontrib><creatorcontrib>Je, Jae-Young</creatorcontrib><creatorcontrib>Kim, Se-Kwon</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of agricultural and food chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Pyo-Jam</au><au>Je, Jae-Young</au><au>Kim, Se-Kwon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Free Radical Scavenging Activity of Chitooligosaccharides by Electron Spin Resonance Spectrometry</atitle><jtitle>Journal of agricultural and food chemistry</jtitle><addtitle>J. Agric. Food Chem</addtitle><date>2003-07-30</date><risdate>2003</risdate><volume>51</volume><issue>16</issue><spage>4624</spage><epage>4627</epage><pages>4624-4627</pages><issn>0021-8561</issn><eissn>1520-5118</eissn><abstract>The radical scavenging effects of chitooligosaccharides (COSs) on hydroxyl radical, superoxide radical, alkyl radical, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical were investigated using a spin-trapping electron spin resonance (ESR) method and compared with the ESR signal intensity. COSs exhibited strong scavenging activity on hydroxyl radical and superoxide radical and weak scavenging activity on alkyl radical and DPPH radical. The radical scavenging activity of COSs increased with increment of concentration, and it was also dependent on molecular weight. These results suggest that the scavenging activity of COSs is dependent on their molecular weights and tested radicals. Keywords: Chitooligosaccharides; electron spin resonance; free radical; radical scavenging activity</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>14705887</pmid><doi>10.1021/jf034039+</doi><tpages>4</tpages></addata></record> |
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| source | ACS Publications; MEDLINE |
| subjects | Biphenyl Compounds chitooligosaccharides Chitosan - chemistry Chitosan - pharmacology electron paramagnetic resonance spectroscopy Electron Spin Resonance Spectroscopy free radical scavengers Free Radical Scavengers - chemistry free radicals Hydroxyl Radical - chemistry Molecular Weight Oligosaccharides - chemistry Oligosaccharides - pharmacology Picrates - chemistry Structure-Activity Relationship Superoxides - chemistry |
| title | Free Radical Scavenging Activity of Chitooligosaccharides by Electron Spin Resonance Spectrometry |
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