Surface lignin change pertaining to the integrated process of dilute acid pre-extraction and mechanical refining of poplar wood chips and its impact on enzymatic hydrolysis.
Identifieur interne : 001180 ( Main/Exploration ); précédent : 001179; suivant : 001181Surface lignin change pertaining to the integrated process of dilute acid pre-extraction and mechanical refining of poplar wood chips and its impact on enzymatic hydrolysis.
Auteurs : Wei Liu [République populaire de Chine] ; Wei Chen [République populaire de Chine] ; Qingxi Hou [République populaire de Chine] ; Jinping Zhang [République populaire de Chine] ; Bing Wang [République populaire de Chine]Source :
- Bioresource technology [ 1873-2976 ] ; 2017.
Descripteurs français
- KwdFr :
- Acides sulfuriques (pharmacologie), Biomasse (MeSH), Biotechnologie (méthodes), Bois (composition chimique), Cellulase (métabolisme), Cellulose (métabolisme), Glucose (métabolisme), Hydrolyse (MeSH), Lignine (composition chimique), Manganèse (analyse), Paroi cellulaire (effets des médicaments et des substances chimiques), Paroi cellulaire (métabolisme), Populus (composition chimique), Spectroscopie photoélectronique (MeSH).
- MESH :
- analyse : Manganèse.
- composition chimique : Bois, Lignine, Populus.
- effets des médicaments et des substances chimiques : Paroi cellulaire.
- métabolisme : Cellulase, Cellulose, Glucose, Paroi cellulaire.
- méthodes : Biotechnologie.
- pharmacologie : Acides sulfuriques.
- Biomasse, Hydrolyse, Spectroscopie photoélectronique.
English descriptors
- KwdEn :
- Biomass (MeSH), Biotechnology (methods), Cell Wall (drug effects), Cell Wall (metabolism), Cellulase (metabolism), Cellulose (metabolism), Glucose (metabolism), Hydrolysis (MeSH), Lignin (chemistry), Manganese (analysis), Photoelectron Spectroscopy (MeSH), Populus (chemistry), Sulfuric Acids (pharmacology), Wood (chemistry).
- MESH :
- chemical , analysis : Manganese.
- chemical , chemistry : Lignin.
- chemical , metabolism : Cellulase, Cellulose, Glucose.
- chemistry : Populus, Wood.
- drug effects : Cell Wall.
- metabolism : Cell Wall.
- methods : Biotechnology.
- chemical , pharmacology : Sulfuric Acids.
- Biomass, Hydrolysis, Photoelectron Spectroscopy.
Abstract
Dilute acid pre-extraction enhanced the mechanically refined poplar pulp substrates' enzymatic hydrolysis efficiency obviously. The results showed that the surface lignin distribution was changed significantly in residual wood chips and pulp substrates, and the surface lignin distribution showed important impact on the following enzymatic hydrolysis. Acid pre-extraction can lead to a redistribution of lignin in fiber cell walls, i.e., the lignin was degraded and migrated to fiber surface in the form of re-deposited lignin and pseudo-lignin. However, higher pre-extraction intensity was not desired due to the formation of redeposited lignin and pseudo-lignin. This study will help to reach a deeper understanding on the lignin distribution in the view of molecular and ultrastructure, and promote the development of a cost-efficient pretreatment strategy for biomass processing.
DOI: 10.1016/j.biortech.2016.12.063
PubMed: 28061394
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Cell Wall (drug effects)</term>
<term>Cell Wall (metabolism)</term>
<term>Cellulase (metabolism)</term>
<term>Cellulose (metabolism)</term>
<term>Glucose (metabolism)</term>
<term>Hydrolysis (MeSH)</term>
<term>Lignin (chemistry)</term>
<term>Manganese (analysis)</term>
<term>Photoelectron Spectroscopy (MeSH)</term>
<term>Populus (chemistry)</term>
<term>Sulfuric Acids (pharmacology)</term>
<term>Wood (chemistry)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Acides sulfuriques (pharmacologie)</term>
<term>Biomasse (MeSH)</term>
<term>Biotechnologie (méthodes)</term>
<term>Bois (composition chimique)</term>
<term>Cellulase (métabolisme)</term>
<term>Cellulose (métabolisme)</term>
<term>Glucose (métabolisme)</term>
<term>Hydrolyse (MeSH)</term>
<term>Lignine (composition chimique)</term>
<term>Manganèse (analyse)</term>
<term>Paroi cellulaire (effets des médicaments et des substances chimiques)</term>
<term>Paroi cellulaire (métabolisme)</term>
<term>Populus (composition chimique)</term>
<term>Spectroscopie photoélectronique (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cellulase</term>
<term>Cellulose</term>
<term>Glucose</term>
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<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Manganèse</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term>
<term>Wood</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bois</term>
<term>Lignine</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Cell Wall</term>
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<keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Paroi cellulaire</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Biotechnology</term>
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<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cellulase</term>
<term>Cellulose</term>
<term>Glucose</term>
<term>Paroi cellulaire</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
<term>Hydrolysis</term>
<term>Photoelectron Spectroscopy</term>
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<front><div type="abstract" xml:lang="en">Dilute acid pre-extraction enhanced the mechanically refined poplar pulp substrates' enzymatic hydrolysis efficiency obviously. The results showed that the surface lignin distribution was changed significantly in residual wood chips and pulp substrates, and the surface lignin distribution showed important impact on the following enzymatic hydrolysis. Acid pre-extraction can lead to a redistribution of lignin in fiber cell walls, i.e., the lignin was degraded and migrated to fiber surface in the form of re-deposited lignin and pseudo-lignin. However, higher pre-extraction intensity was not desired due to the formation of redeposited lignin and pseudo-lignin. This study will help to reach a deeper understanding on the lignin distribution in the view of molecular and ultrastructure, and promote the development of a cost-efficient pretreatment strategy for biomass processing.</div>
</front>
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<Abstract><AbstractText>Dilute acid pre-extraction enhanced the mechanically refined poplar pulp substrates' enzymatic hydrolysis efficiency obviously. The results showed that the surface lignin distribution was changed significantly in residual wood chips and pulp substrates, and the surface lignin distribution showed important impact on the following enzymatic hydrolysis. Acid pre-extraction can lead to a redistribution of lignin in fiber cell walls, i.e., the lignin was degraded and migrated to fiber surface in the form of re-deposited lignin and pseudo-lignin. However, higher pre-extraction intensity was not desired due to the formation of redeposited lignin and pseudo-lignin. This study will help to reach a deeper understanding on the lignin distribution in the view of molecular and ultrastructure, and promote the development of a cost-efficient pretreatment strategy for biomass processing.</AbstractText>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liu</LastName>
<ForeName>Wei</ForeName>
<Initials>W</Initials>
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<MeshHeading><DescriptorName UI="D013464" MajorTopicYN="N">Sulfuric Acids</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
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