New insights on structure of lignin-carbohydrate complex from hot water pretreatment liquor.
Identifieur interne : 000822 ( Main/Exploration ); précédent : 000821; suivant : 000823New insights on structure of lignin-carbohydrate complex from hot water pretreatment liquor.
Auteurs : Nianjie Feng [République populaire de Chine] ; Litong Ren [République populaire de Chine] ; Hua Wu [République populaire de Chine] ; Qian Wu [République populaire de Chine] ; Yimin Xie [République populaire de Chine]Source :
- Carbohydrate polymers [ 1879-1344 ] ; 2019.
Abstract
To understand the lignin-carbohydrate linkages and the structure changes in hot water pretreatment process, lignin-carbohydrate complex (LCC) fraction was extracted from hot water pretreatment liquor of poplar for the first time. Various structural analyses of LCC fraction were performed by different methods including high performance anion exchange chromatography, gel permeation chromatography, ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy and two-dimensional nuclear magnetic resonance spectroscopy. The results show that the lignin in LCC fraction mainly composed of syringyl unit, which was connected with β-O-4´ linkage. The above lignin linked to glucomannan in the initial phase of hot water pretreatment, then gradually connected with glucuronoxylan. Compared with ball-milling LCC, LCC fraction from hot water pretreatment liquor presented advantageous hydrophilia and biocompatibility based on higher contents of acid-soluble lignin and galactose. Various LCCs would be obtained by hot water pretreatment design, which was attractive for boosting its applicability in the field of biomaterial.
DOI: 10.1016/j.carbpol.2019.115130
PubMed: 31472842
Affiliations:
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Electronic address: qianwill2007@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Food and Biological Engineering, Hubei University of Technology, Wuhan, 430068</wicri:regionArea><wicri:noRegion>430068</wicri:noRegion></affiliation></author><author><name sortKey="Xie, Yimin" sort="Xie, Yimin" uniqKey="Xie Y" first="Yimin" last="Xie">Yimin Xie</name><affiliation wicri:level="1"><nlm:affiliation>School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China. Electronic address: ppymxie@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068</wicri:regionArea><wicri:noRegion>430068</wicri:noRegion></affiliation></author></analytic><series><title level="j">Carbohydrate polymers</title><idno type="eISSN">1879-1344</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To understand the lignin-carbohydrate linkages and the structure changes in hot water pretreatment process, lignin-carbohydrate complex (LCC) fraction was extracted from hot water pretreatment liquor of poplar for the first time. Various structural analyses of LCC fraction were performed by different methods including high performance anion exchange chromatography, gel permeation chromatography, ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy and two-dimensional nuclear magnetic resonance spectroscopy. The results show that the lignin in LCC fraction mainly composed of syringyl unit, which was connected with β-O-4´ linkage. The above lignin linked to glucomannan in the initial phase of hot water pretreatment, then gradually connected with glucuronoxylan. Compared with ball-milling LCC, LCC fraction from hot water pretreatment liquor presented advantageous hydrophilia and biocompatibility based on higher contents of acid-soluble lignin and galactose. Various LCCs would be obtained by hot water pretreatment design, which was attractive for boosting its applicability in the field of biomaterial.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">31472842</PMID><DateRevised><Year>2019</Year><Month>09</Month><Day>06</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1344</ISSN><JournalIssue CitedMedium="Internet"><Volume>224</Volume><PubDate><Year>2019</Year><Month>Nov</Month><Day>15</Day></PubDate></JournalIssue><Title>Carbohydrate polymers</Title><ISOAbbreviation>Carbohydr Polym</ISOAbbreviation></Journal><ArticleTitle>New insights on structure of lignin-carbohydrate complex from hot water pretreatment liquor.</ArticleTitle><Pagination><MedlinePgn>115130</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0144-8617(19)30797-0</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.carbpol.2019.115130</ELocationID><Abstract><AbstractText>To understand the lignin-carbohydrate linkages and the structure changes in hot water pretreatment process, lignin-carbohydrate complex (LCC) fraction was extracted from hot water pretreatment liquor of poplar for the first time. Various structural analyses of LCC fraction were performed by different methods including high performance anion exchange chromatography, gel permeation chromatography, ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy and two-dimensional nuclear magnetic resonance spectroscopy. The results show that the lignin in LCC fraction mainly composed of syringyl unit, which was connected with β-O-4´ linkage. The above lignin linked to glucomannan in the initial phase of hot water pretreatment, then gradually connected with glucuronoxylan. Compared with ball-milling LCC, LCC fraction from hot water pretreatment liquor presented advantageous hydrophilia and biocompatibility based on higher contents of acid-soluble lignin and galactose. Various LCCs would be obtained by hot water pretreatment design, which was attractive for boosting its applicability in the field of biomaterial.</AbstractText><CopyrightInformation>Copyright © 2019 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Nianjie</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China; Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing, 100048, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ren</LastName><ForeName>Litong</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Hua</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing, 100048, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Qian</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>School of Food and Biological Engineering, Hubei University of Technology, Wuhan, 430068, China. Electronic address: qianwill2007@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xie</LastName><ForeName>Yimin</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China. 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