Effect of integrated treatment on improving the enzymatic digestibility of poplar and the structural features of isolated hemicelluloses.
Identifieur interne : 000001 ( Main/Exploration ); précédent : 000000; suivant : 000002Effect of integrated treatment on improving the enzymatic digestibility of poplar and the structural features of isolated hemicelluloses.
Auteurs : Shao-Chao Sun [République populaire de Chine] ; Dan Sun [République populaire de Chine] ; Han-Min Wang [République populaire de Chine] ; Han-Yin Li [République populaire de Chine] ; Xue-Fei Cao [République populaire de Chine] ; Shao-Ni Sun [République populaire de Chine] ; Tong-Qi Yuan [République populaire de Chine]Source :
- Carbohydrate polymers [ 1879-1344 ] ; 2021.
Abstract
Herein, a two-step hydrothermal pretreatment combined with alkali extraction method was applied to deconstruct the poplar cell walls for enzymatic hydrolysis. Results revealed that 88.1 % of hemicelluloses and 77.6 % of lignin were removed during the integrated treatment performed at 180 °C and a maximum enzymatic hydrolysis efficiency of 96.1 % was achieved. Confocal Raman microscopy suggested that the removal of hemicelluloses from cell walls was inhomogeneous, and most hemicelluloses were released from the secondary wall. In addition, 35.2-56.8 % of hemicelluloses were isolated from the integrated treatment. Detailed structural analysis revealed that the water-soluble hemicelluloses possessed more branched structure than the alkali-soluble hemicelluloses and the hemicelluloses isolated from the poplar were mainly composed of a linear backbone of (1→4)-β-d-Xylp with 4-O-Me-α-d-GlcpA attached as side chains. This work provides an efficient pathway to transform poplar into fermentable sugars and hemicelluloses with considerable yield.
DOI: 10.1016/j.carbpol.2020.117164
PubMed: 33183615
Affiliations:
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Electronic address: sunshaoni@126.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083</wicri:regionArea><wicri:noRegion>100083</wicri:noRegion></affiliation></author><author><name sortKey="Yuan, Tong Qi" sort="Yuan, Tong Qi" uniqKey="Yuan T" first="Tong-Qi" last="Yuan">Tong-Qi Yuan</name><affiliation wicri:level="1"><nlm:affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083</wicri:regionArea><wicri:noRegion>100083</wicri:noRegion></affiliation></author></analytic><series><title level="j">Carbohydrate polymers</title><idno type="eISSN">1879-1344</idno><imprint><date when="2021" type="published">2021</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Herein, a two-step hydrothermal pretreatment combined with alkali extraction method was applied to deconstruct the poplar cell walls for enzymatic hydrolysis. Results revealed that 88.1 % of hemicelluloses and 77.6 % of lignin were removed during the integrated treatment performed at 180 °C and a maximum enzymatic hydrolysis efficiency of 96.1 % was achieved. Confocal Raman microscopy suggested that the removal of hemicelluloses from cell walls was inhomogeneous, and most hemicelluloses were released from the secondary wall. In addition, 35.2-56.8 % of hemicelluloses were isolated from the integrated treatment. Detailed structural analysis revealed that the water-soluble hemicelluloses possessed more branched structure than the alkali-soluble hemicelluloses and the hemicelluloses isolated from the poplar were mainly composed of a linear backbone of (1→4)-β-d-Xylp with 4-O-Me-α-d-GlcpA attached as side chains. This work provides an efficient pathway to transform poplar into fermentable sugars and hemicelluloses with considerable yield.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">33183615</PMID><DateCompleted><Year>2020</Year><Month>11</Month><Day>17</Day></DateCompleted><DateRevised><Year>2020</Year><Month>11</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1344</ISSN><JournalIssue CitedMedium="Internet"><Volume>252</Volume><PubDate><Year>2021</Year><Month>Jan</Month><Day>15</Day></PubDate></JournalIssue><Title>Carbohydrate polymers</Title><ISOAbbreviation>Carbohydr Polym</ISOAbbreviation></Journal><ArticleTitle>Effect of integrated treatment on improving the enzymatic digestibility of poplar and the structural features of isolated hemicelluloses.</ArticleTitle><Pagination><MedlinePgn>117164</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0144-8617(20)31337-0</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.carbpol.2020.117164</ELocationID><Abstract><AbstractText>Herein, a two-step hydrothermal pretreatment combined with alkali extraction method was applied to deconstruct the poplar cell walls for enzymatic hydrolysis. Results revealed that 88.1 % of hemicelluloses and 77.6 % of lignin were removed during the integrated treatment performed at 180 °C and a maximum enzymatic hydrolysis efficiency of 96.1 % was achieved. Confocal Raman microscopy suggested that the removal of hemicelluloses from cell walls was inhomogeneous, and most hemicelluloses were released from the secondary wall. In addition, 35.2-56.8 % of hemicelluloses were isolated from the integrated treatment. Detailed structural analysis revealed that the water-soluble hemicelluloses possessed more branched structure than the alkali-soluble hemicelluloses and the hemicelluloses isolated from the poplar were mainly composed of a linear backbone of (1→4)-β-d-Xylp with 4-O-Me-α-d-GlcpA attached as side chains. This work provides an efficient pathway to transform poplar into fermentable sugars and hemicelluloses with considerable yield.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Shao-Chao</ForeName><Initials>SC</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Dan</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Han-Min</ForeName><Initials>HM</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Han-Yin</ForeName><Initials>HY</Initials><AffiliationInfo><Affiliation>Henan Agricultural University, College of Forestry, Zhengzhou, 450002, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cao</LastName><ForeName>Xue-Fei</ForeName><Initials>XF</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China. Electronic address: caoxuefei@bjfu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Shao-Ni</ForeName><Initials>SN</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China. Electronic address: sunshaoni@126.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Tong-Qi</ForeName><Initials>TQ</Initials><AffiliationInfo><Affiliation>Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>10</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Carbohydr Polym</MedlineTA><NlmUniqueID>8307156</NlmUniqueID><ISSNLinking>0144-8617</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Alkali extraction</Keyword><Keyword MajorTopicYN="N">Confocal Raman microscopy</Keyword><Keyword MajorTopicYN="N">Enzymatic hydrolysis</Keyword><Keyword MajorTopicYN="N">Hemicelluloses</Keyword><Keyword MajorTopicYN="N">Hydrothermal pretreatment</Keyword><Keyword MajorTopicYN="N">Poplar</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>06</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>09</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>09</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>11</Month><Day>13</Day><Hour>5</Hour><Minute>34</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>11</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>11</Month><Day>14</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33183615</ArticleId><ArticleId IdType="pii">S0144-8617(20)31337-0</ArticleId><ArticleId IdType="doi">10.1016/j.carbpol.2020.117164</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Sun, Shao Chao" sort="Sun, Shao Chao" uniqKey="Sun S" first="Shao-Chao" last="Sun">Shao-Chao Sun</name></noRegion><name sortKey="Cao, Xue Fei" sort="Cao, Xue Fei" uniqKey="Cao X" first="Xue-Fei" last="Cao">Xue-Fei Cao</name><name sortKey="Li, Han Yin" sort="Li, Han Yin" uniqKey="Li H" first="Han-Yin" last="Li">Han-Yin Li</name><name sortKey="Sun, Dan" sort="Sun, Dan" uniqKey="Sun D" first="Dan" last="Sun">Dan Sun</name><name sortKey="Sun, Shao Ni" sort="Sun, Shao Ni" uniqKey="Sun S" first="Shao-Ni" last="Sun">Shao-Ni Sun</name><name sortKey="Wang, Han Min" sort="Wang, Han Min" uniqKey="Wang H" first="Han-Min" last="Wang">Han-Min Wang</name><name sortKey="Yuan, Tong Qi" sort="Yuan, Tong Qi" uniqKey="Yuan T" first="Tong-Qi" last="Yuan">Tong-Qi Yuan</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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