Antifungal properties of chitosan salts in laboratory media
Some aliphatic carboxylic acids were used to produce chitosan (CS) salts by reaction with CS, and their antifungal activity against three kinds of phytopathogens was estimated by hypha measurement in vitro. The fungicidal assessment showed that all of the CS salts had excellent activity against the...
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| Veröffentlicht in: | Journal of applied polymer science 2012-05, Vol.124 (3), p.2501-2507 |
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| creator | Ren, Jianming Liu, Jingli Li, Rongchun Dong, Fang Guo, Zhanyong |
| description | Some aliphatic carboxylic acids were used to produce chitosan (CS) salts by reaction with CS, and their antifungal activity against three kinds of phytopathogens was estimated by hypha measurement in vitro. The fungicidal assessment showed that all of the CS salts had excellent activity against the tested fungi. Their inhibitory indices were 41.15–64.15, 56.25–76.56, and 35.94–68.75% for Cladosporium
cucumerinum (Ell.) et Arthur, Monilinia
fructicola (Wint.) Honey, and Fusarium
oxysporum sp. Cucumis sativus L., respectively, at 1000 μg/mL; these indices were higher than that of CS. It was confirmed that the amino groups' protonation was important for the antifungal activity of CS derivatives. The substituted groups with stronger electronegativity drew more electrons from the nitrogen atoms in the derivative molecules, which relatively strengthened the polycationic character of the CS derivatives. Therefore, the antifungal activity of the CS salts was improved. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010 |
| doi_str_mv | 10.1002/app.33612 |
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cucumerinum (Ell.) et Arthur, Monilinia
fructicola (Wint.) Honey, and Fusarium
oxysporum sp. Cucumis sativus L., respectively, at 1000 μg/mL; these indices were higher than that of CS. It was confirmed that the amino groups' protonation was important for the antifungal activity of CS derivatives. The substituted groups with stronger electronegativity drew more electrons from the nitrogen atoms in the derivative molecules, which relatively strengthened the polycationic character of the CS derivatives. Therefore, the antifungal activity of the CS salts was improved. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.33612</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Applied sciences ; biological applications of polymers ; biopolymers ; Exact sciences and technology ; FT-IR ; Materials science ; Natural polymers ; NMR ; Physicochemistry of polymers ; Polymers ; Starch and polysaccharides</subject><ispartof>Journal of applied polymer science, 2012-05, Vol.124 (3), p.2501-2507</ispartof><rights>Copyright © 2010 Wiley Periodicals, Inc.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3652-c219078a1d52e9b91fb002ea529e45e439d7d7127c523ca2849647551d5c40673</citedby><cites>FETCH-LOGICAL-c3652-c219078a1d52e9b91fb002ea529e45e439d7d7127c523ca2849647551d5c40673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.33612$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.33612$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25604973$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ren, Jianming</creatorcontrib><creatorcontrib>Liu, Jingli</creatorcontrib><creatorcontrib>Li, Rongchun</creatorcontrib><creatorcontrib>Dong, Fang</creatorcontrib><creatorcontrib>Guo, Zhanyong</creatorcontrib><title>Antifungal properties of chitosan salts in laboratory media</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>Some aliphatic carboxylic acids were used to produce chitosan (CS) salts by reaction with CS, and their antifungal activity against three kinds of phytopathogens was estimated by hypha measurement in vitro. The fungicidal assessment showed that all of the CS salts had excellent activity against the tested fungi. Their inhibitory indices were 41.15–64.15, 56.25–76.56, and 35.94–68.75% for Cladosporium
cucumerinum (Ell.) et Arthur, Monilinia
fructicola (Wint.) Honey, and Fusarium
oxysporum sp. Cucumis sativus L., respectively, at 1000 μg/mL; these indices were higher than that of CS. It was confirmed that the amino groups' protonation was important for the antifungal activity of CS derivatives. The substituted groups with stronger electronegativity drew more electrons from the nitrogen atoms in the derivative molecules, which relatively strengthened the polycationic character of the CS derivatives. Therefore, the antifungal activity of the CS salts was improved. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010</description><subject>Applied sciences</subject><subject>biological applications of polymers</subject><subject>biopolymers</subject><subject>Exact sciences and technology</subject><subject>FT-IR</subject><subject>Materials science</subject><subject>Natural polymers</subject><subject>NMR</subject><subject>Physicochemistry of polymers</subject><subject>Polymers</subject><subject>Starch and polysaccharides</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqVw4A0iIQ4c0tqOf2JxqiooIARFAvVobR0HXNIk2Kmgb4-hpTdOe9hvZmcHoVOCBwRjOoS2HWSZIHQP9QhWMmWC5vuoF3ckzZXih-gohAXGhHAseuhyVHeuXNWvUCWtb1rrO2dD0pSJeXNdE6BOAlRdSFydVDBvPHSNXydLWzg4RgclVMGebGcfvVxfPY9v0vvHye14dJ-aTHCaGkoUljmQglOr5oqU85jGAqfKMm5ZpgpZSEKl4TQzQHOmBJOcR94wLGTWR2cb3xjwY2VDpxfNytfxpCacCKUw4yJSFxvK-CYEb0vdercEv9YE659udOxG_3YT2fOtIwQDVemhNi7sBJQLzJTMIjfccJ-usuv_DfVoOv1zTjcKFzr7tVOAf9fxE8n17GGi2R2dPXE10-PsGxH2f3w</recordid><startdate>20120505</startdate><enddate>20120505</enddate><creator>Ren, Jianming</creator><creator>Liu, Jingli</creator><creator>Li, Rongchun</creator><creator>Dong, Fang</creator><creator>Guo, Zhanyong</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120505</creationdate><title>Antifungal properties of chitosan salts in laboratory media</title><author>Ren, Jianming ; Liu, Jingli ; Li, Rongchun ; Dong, Fang ; Guo, Zhanyong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3652-c219078a1d52e9b91fb002ea529e45e439d7d7127c523ca2849647551d5c40673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>biological applications of polymers</topic><topic>biopolymers</topic><topic>Exact sciences and technology</topic><topic>FT-IR</topic><topic>Materials science</topic><topic>Natural polymers</topic><topic>NMR</topic><topic>Physicochemistry of polymers</topic><topic>Polymers</topic><topic>Starch and polysaccharides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ren, Jianming</creatorcontrib><creatorcontrib>Liu, Jingli</creatorcontrib><creatorcontrib>Li, Rongchun</creatorcontrib><creatorcontrib>Dong, Fang</creatorcontrib><creatorcontrib>Guo, Zhanyong</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ren, Jianming</au><au>Liu, Jingli</au><au>Li, Rongchun</au><au>Dong, Fang</au><au>Guo, Zhanyong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antifungal properties of chitosan salts in laboratory media</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2012-05-05</date><risdate>2012</risdate><volume>124</volume><issue>3</issue><spage>2501</spage><epage>2507</epage><pages>2501-2507</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>Some aliphatic carboxylic acids were used to produce chitosan (CS) salts by reaction with CS, and their antifungal activity against three kinds of phytopathogens was estimated by hypha measurement in vitro. The fungicidal assessment showed that all of the CS salts had excellent activity against the tested fungi. Their inhibitory indices were 41.15–64.15, 56.25–76.56, and 35.94–68.75% for Cladosporium
cucumerinum (Ell.) et Arthur, Monilinia
fructicola (Wint.) Honey, and Fusarium
oxysporum sp. Cucumis sativus L., respectively, at 1000 μg/mL; these indices were higher than that of CS. It was confirmed that the amino groups' protonation was important for the antifungal activity of CS derivatives. The substituted groups with stronger electronegativity drew more electrons from the nitrogen atoms in the derivative molecules, which relatively strengthened the polycationic character of the CS derivatives. Therefore, the antifungal activity of the CS salts was improved. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/app.33612</doi><tpages>7</tpages></addata></record> |
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| subjects | Applied sciences biological applications of polymers biopolymers Exact sciences and technology FT-IR Materials science Natural polymers NMR Physicochemistry of polymers Polymers Starch and polysaccharides |
| title | Antifungal properties of chitosan salts in laboratory media |
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