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Synthesis and characterisation of chitin from periwinkle (Tympanotonus fusatus (L.)) and snail (Lissachatina fulica (Bowdich)) shells
This study characterizes chitin extracted from bio-sources of snail and periwinkle using varied combinations of acid and alkali concentrations. A three level factorial design of experiment with alkali and acid concentrations was used. FTIR, XRD and SEM were used to investigate the structural changes...
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| Published in: | International journal of biological macromolecules 2018-01, Vol.106, p.1080-1088 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c368t-8856da29a067e3666987954001d55f63d67fcd99cb536c8d8d042db8289f79133 |
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| cites | cdi_FETCH-LOGICAL-c368t-8856da29a067e3666987954001d55f63d67fcd99cb536c8d8d042db8289f79133 |
| container_end_page | 1088 |
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| container_start_page | 1080 |
| container_title | International journal of biological macromolecules |
| container_volume | 106 |
| creator | Akpan, E.I. Gbenebor, O.P. Adeosun, S.O. |
| description | This study characterizes chitin extracted from bio-sources of snail and periwinkle using varied combinations of acid and alkali concentrations. A three level factorial design of experiment with alkali and acid concentrations was used. FTIR, XRD and SEM were used to investigate the structural changes after treatments. Results reveal that both alkali and acid concentrations significantly affect the development of the functional groups and their intensities in the extracted chitin. A certain combination of concentration of acid and alkali can be used to obtain chitin with high degree of order (Crystallinity Index (CrI)>0.9) and a degree of de-acetylation (DD>50%). This results in combined high crystallinity and degree of de-acetylation. The study also established that certain combination of acid and alkali concentrations could lead to alpha to beta transformation in chitin structure. |
| doi_str_mv | 10.1016/j.ijbiomac.2017.08.106 |
| format | article |
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A three level factorial design of experiment with alkali and acid concentrations was used. FTIR, XRD and SEM were used to investigate the structural changes after treatments. Results reveal that both alkali and acid concentrations significantly affect the development of the functional groups and their intensities in the extracted chitin. A certain combination of concentration of acid and alkali can be used to obtain chitin with high degree of order (Crystallinity Index (CrI)>0.9) and a degree of de-acetylation (DD>50%). This results in combined high crystallinity and degree of de-acetylation. 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The study also established that certain combination of acid and alkali concentrations could lead to alpha to beta transformation in chitin structure.</description><subject>Chitin</subject><subject>De-acetylation</subject><subject>Periwinkle</subject><subject>Snail</subject><issn>0141-8130</issn><issn>1879-0003</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkc9O3DAQxq2KqmxpXwHluBwS_Gfj2LcCKm2llXooPVte29F6m9hbTwLaB-h7M7DAtaeRP__mG48_Qs4ZbRhl8nLXxN0m5tG6hlPWNVShLt-RBVOdriml4oQsKFuxWjFBT8lHgB2qsmXqAznlSq04p3xB_v06pGkbIEJlk6_c1hbrplAi2CnmVOUetTjFVPUlj9Uebx5i-jOEanl3GPc25SmnGap-xgasy3VzcfFsBcnGAc8RwKItWlikhuhstbzODz66LZKwDcMAn8j73g4QPr_UM_L79uvdzfd6_fPbj5urde2EVFOtVCu95dpS2QUhpdS4bLuilPm27aXwsuud19ptWiGd8srTFfcbxZXuO82EOCPLo---5L9zgMmMERy-wKaQZzBMC66E5lQjKo-oKxmghN7sSxxtORhGzVMEZmdeIzBPERiqUJfYeP4yY96Mwb-1vf45Al-OQMBN72MoBlwMyQUfS3CT8Tn-b8Yj4gubTQ</recordid><startdate>201801</startdate><enddate>201801</enddate><creator>Akpan, E.I.</creator><creator>Gbenebor, O.P.</creator><creator>Adeosun, S.O.</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201801</creationdate><title>Synthesis and characterisation of chitin from periwinkle (Tympanotonus fusatus (L.)) and snail (Lissachatina fulica (Bowdich)) shells</title><author>Akpan, E.I. ; Gbenebor, O.P. ; Adeosun, S.O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-8856da29a067e3666987954001d55f63d67fcd99cb536c8d8d042db8289f79133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Chitin</topic><topic>De-acetylation</topic><topic>Periwinkle</topic><topic>Snail</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akpan, E.I.</creatorcontrib><creatorcontrib>Gbenebor, O.P.</creatorcontrib><creatorcontrib>Adeosun, S.O.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Akpan, E.I.</au><au>Gbenebor, O.P.</au><au>Adeosun, S.O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterisation of chitin from periwinkle (Tympanotonus fusatus (L.)) and snail (Lissachatina fulica (Bowdich)) shells</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2018-01</date><risdate>2018</risdate><volume>106</volume><spage>1080</spage><epage>1088</epage><pages>1080-1088</pages><issn>0141-8130</issn><eissn>1879-0003</eissn><abstract>This study characterizes chitin extracted from bio-sources of snail and periwinkle using varied combinations of acid and alkali concentrations. 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| ispartof | International journal of biological macromolecules, 2018-01, Vol.106, p.1080-1088 |
| issn | 0141-8130 1879-0003 |
| language | eng |
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| source | ScienceDirect Journals |
| subjects | Chitin De-acetylation Periwinkle Snail |
| title | Synthesis and characterisation of chitin from periwinkle (Tympanotonus fusatus (L.)) and snail (Lissachatina fulica (Bowdich)) shells |
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