Comparison of [HSO4]-, [Cl]- and [MeCO2]- as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids.
Identifieur interne : 001465 ( Main/Exploration ); précédent : 001464; suivant : 001466Comparison of [HSO4]-, [Cl]- and [MeCO2]- as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids.
Auteurs : Zhao Wang [Suède] ; John Gr Svik [Suède] ; Leif J. Jönsson [Suède] ; Sandra Winestrand [Suède]Source :
- BMC biotechnology [ 1472-6750 ] ; 2017.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Anions, Bois, Imidazoles, Liquides ioniques, Picea, Populus, Xylanes.
- Biomasse, Hydrolyse.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Anions, Imidazoles, Ionic Liquids, Xylans.
- chemistry : Picea, Populus, Wood.
- Biomass, Hydrolysis.
Abstract
BACKGROUND
Ionic liquids (ILs) draw attention as green solvents for pretreatment of lignocellulose before enzymatic saccharification. Imidazolium-based ILs with different anionic constituents ([HSO
RESULTS
The glucose yield after IL pretreatment increased in the order [Cl]
CONCLUSIONS
The acidity of [HSO
DOI: 10.1186/s12896-017-0403-0
PubMed: 29141617
PubMed Central: PMC5688671
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Comparison of [HSO<sub>4</sub>]<sup>-</sup>, [Cl]<sup>-</sup> and [MeCO<sub>2</sub>]<sup>-</sup> as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids.</title><author><name sortKey="Wang, Zhao" sort="Wang, Zhao" uniqKey="Wang Z" first="Zhao" last="Wang">Zhao Wang</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Gr Svik, John" sort="Gr Svik, John" uniqKey="Gr Svik J" first="John" last="Gr Svik">John Gr Svik</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Present address: Iggesund Paperboard, SE-825 80, Iggesund, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Present address: Iggesund Paperboard, SE-825 80, Iggesund</wicri:regionArea><wicri:noRegion>Iggesund</wicri:noRegion></affiliation></author><author><name sortKey="Jonsson, Leif J" sort="Jonsson, Leif J" uniqKey="Jonsson L" first="Leif J" last="Jönsson">Leif J. Jönsson</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Winestrand, Sandra" sort="Winestrand, Sandra" uniqKey="Winestrand S" first="Sandra" last="Winestrand">Sandra Winestrand</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden. sandra.winestrand@umu.se.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:29141617</idno><idno type="pmid">29141617</idno><idno type="doi">10.1186/s12896-017-0403-0</idno><idno type="pmc">PMC5688671</idno><idno type="wicri:Area/Main/Corpus">001083</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001083</idno><idno type="wicri:Area/Main/Curation">001083</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001083</idno><idno type="wicri:Area/Main/Exploration">001083</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Comparison of [HSO<sub>4</sub>]<sup>-</sup>, [Cl]<sup>-</sup> and [MeCO<sub>2</sub>]<sup>-</sup> as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids.</title><author><name sortKey="Wang, Zhao" sort="Wang, Zhao" uniqKey="Wang Z" first="Zhao" last="Wang">Zhao Wang</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Gr Svik, John" sort="Gr Svik, John" uniqKey="Gr Svik J" first="John" last="Gr Svik">John Gr Svik</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Present address: Iggesund Paperboard, SE-825 80, Iggesund, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Present address: Iggesund Paperboard, SE-825 80, Iggesund</wicri:regionArea><wicri:noRegion>Iggesund</wicri:noRegion></affiliation></author><author><name sortKey="Jonsson, Leif J" sort="Jonsson, Leif J" uniqKey="Jonsson L" first="Leif J" last="Jönsson">Leif J. Jönsson</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Winestrand, Sandra" sort="Winestrand, Sandra" uniqKey="Winestrand S" first="Sandra" last="Winestrand">Sandra Winestrand</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden. sandra.winestrand@umu.se.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, SE-901 87, Umeå</wicri:regionArea><wicri:noRegion>Umeå</wicri:noRegion></affiliation></author></analytic><series><title level="j">BMC biotechnology</title><idno type="eISSN">1472-6750</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anions (chemistry)</term><term>Biomass (MeSH)</term><term>Hydrolysis (MeSH)</term><term>Imidazoles (chemistry)</term><term>Ionic Liquids (chemistry)</term><term>Picea (chemistry)</term><term>Populus (chemistry)</term><term>Wood (chemistry)</term><term>Xylans (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Anions (composition chimique)</term><term>Biomasse (MeSH)</term><term>Bois (composition chimique)</term><term>Hydrolyse (MeSH)</term><term>Imidazoles (composition chimique)</term><term>Liquides ioniques (composition chimique)</term><term>Picea (composition chimique)</term><term>Populus (composition chimique)</term><term>Xylanes (composition chimique)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Anions</term><term>Imidazoles</term><term>Ionic Liquids</term><term>Xylans</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Picea</term><term>Populus</term><term>Wood</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Anions</term><term>Bois</term><term>Imidazoles</term><term>Liquides ioniques</term><term>Picea</term><term>Populus</term><term>Xylanes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Hydrolysis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term><term>Hydrolyse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>Ionic liquids (ILs) draw attention as green solvents for pretreatment of lignocellulose before enzymatic saccharification. Imidazolium-based ILs with different anionic constituents ([HSO</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>The glucose yield after IL pretreatment increased in the order [Cl]</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>The acidity of [HSO</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29141617</PMID><DateCompleted><Year>2018</Year><Month>06</Month><Day>04</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1472-6750</ISSN><JournalIssue CitedMedium="Internet"><Volume>17</Volume><Issue>1</Issue><PubDate><Year>2017</Year><Month>11</Month><Day>15</Day></PubDate></JournalIssue><Title>BMC biotechnology</Title><ISOAbbreviation>BMC Biotechnol</ISOAbbreviation></Journal><ArticleTitle>Comparison of [HSO<sub>4</sub>]<sup>-</sup>, [Cl]<sup>-</sup> and [MeCO<sub>2</sub>]<sup>-</sup> as anions in pretreatment of aspen and spruce with imidazolium-based ionic liquids.</ArticleTitle><Pagination><MedlinePgn>82</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/s12896-017-0403-0</ELocationID><Abstract><AbstractText Label="BACKGROUND">Ionic liquids (ILs) draw attention as green solvents for pretreatment of lignocellulose before enzymatic saccharification. Imidazolium-based ILs with different anionic constituents ([HSO<sub>4</sub>]<sup>-</sup>, [Cl]<sup>-</sup>, [MeCO<sub>2</sub>]<sup>-</sup>) were compared with regard to pretreatment of wood from aspen and spruce. The objective was to elucidate how the choice of anionic constituent affected the suitability of using the IL for pretreatment of hardwood, such as aspen, and softwood, such as spruce. The investigation covered a thorough analysis of the mass balance of the IL pretreatments, the effects of pretreatment on the cell wall structure as assessed by fluorescence microscopy, and the effects of pretreatment on the susceptibility to enzymatic saccharification. Torrefied aspen and spruce were included in the comparison for assessing how shifting contents of hemicelluloses and Klason lignin affected the susceptibility of the wood to IL pretreatment and enzymatic saccharification.</AbstractText><AbstractText Label="RESULTS">The glucose yield after IL pretreatment increased in the order [Cl]<sup>-</sup> < [HSO<sub>4</sub>]<sup>-</sup> < [MeCO<sub>2</sub>]<sup>-</sup> for aspen, but in the order [HSO<sub>4</sub>]<sup>-</sup> < [Cl]<sup>-</sup> < [MeCO<sub>2</sub>]<sup>-</sup> for spruce. For both aspen and spruce, removal of hemicelluloses and lignin increased in the order [Cl]<sup>-</sup> < [MeCO<sub>2</sub>]<sup>-</sup> < [HSO<sub>4</sub>]<sup>-</sup>. Fluorescence microscopy indicated increasingly disordered cell wall structure following the order [HSO<sub>4</sub>]<sup>-</sup> < [Cl]<sup>-</sup> < [MeCO<sub>2</sub>]<sup>-</sup>. Torrefaction of aspen converted xylan to pseudo-lignin and changed the glucose yield order to [HSO<sub>4</sub>]<sup>-</sup> < [Cl]<sup>-</sup> < [MeCO<sub>2</sub>]<sup>-</sup>.</AbstractText><AbstractText Label="CONCLUSIONS">The acidity of [HSO<sub>4</sub>]<sup>-</sup> caused extensive hydrolysis of xylan, which facilitated pretreatment of xylan-rich hardwood. Apart from that, the degree of removal of hemicelluloses and lignin did not correspond well with the improvement of the enzymatic saccharification. Taken together, the saccharification results were found to mainly reflect (i) the different capacities of the ILs to disorder the cell wall structure, (ii) the recalcitrance caused by high xylan content, and (iii) the capacity of the [HSO<sub>4</sub>]<sup>-</sup>-based IL to hydrolyze xylan.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Zhao</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gräsvik</LastName><ForeName>John</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Present address: Iggesund Paperboard, SE-825 80, Iggesund, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jönsson</LastName><ForeName>Leif J</ForeName><Initials>LJ</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Winestrand</LastName><ForeName>Sandra</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, SE-901 87, Umeå, Sweden. sandra.winestrand@umu.se.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>11</Month><Day>15</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>BMC Biotechnol</MedlineTA><NlmUniqueID>101088663</NlmUniqueID><ISSNLinking>1472-6750</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000838">Anions</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007093">Imidazoles</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D052578">Ionic Liquids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014990">Xylans</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000838" MajorTopicYN="N">Anions</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007093" MajorTopicYN="N">Imidazoles</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052578" MajorTopicYN="N">Ionic Liquids</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D028222" MajorTopicYN="N">Picea</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014990" MajorTopicYN="N">Xylans</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Enzymatic saccharification</Keyword><Keyword MajorTopicYN="Y">Hardwood</Keyword><Keyword MajorTopicYN="Y">Ionic liquid</Keyword><Keyword MajorTopicYN="Y">Klason lignin</Keyword><Keyword MajorTopicYN="Y">Pretreatment</Keyword><Keyword MajorTopicYN="Y">Pseudo-lignin</Keyword><Keyword MajorTopicYN="Y">Softwood</Keyword><Keyword MajorTopicYN="Y">Torrefaction</Keyword><Keyword MajorTopicYN="Y">Xylan</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>07</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>10</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>11</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>11</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>6</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29141617</ArticleId><ArticleId IdType="doi">10.1186/s12896-017-0403-0</ArticleId><ArticleId IdType="pii">10.1186/s12896-017-0403-0</ArticleId><ArticleId IdType="pmc">PMC5688671</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Biotechnol Bioeng. 2011 Mar;108(3):511-20</Citation><ArticleIdList><ArticleId IdType="pubmed">21246505</ArticleId></ArticleIdList></Reference><Reference><Citation>Bioresour Technol. 2010 Jul;101(13):4900-6</Citation><ArticleIdList><ArticleId IdType="pubmed">19945861</ArticleId></ArticleIdList></Reference><Reference><Citation>J Agric Food Chem. 2007 Oct 31;55(22):9142-8</Citation><ArticleIdList><ArticleId 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Jönsson</name><name sortKey="Winestrand, Sandra" sort="Winestrand, Sandra" uniqKey="Winestrand S" first="Sandra" last="Winestrand">Sandra Winestrand</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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