Enhancing enzyme-aided production of fermentable sugars from poplar pulp in the presence of non-ionic surfactants.
Identifieur interne : 000F25 ( Main/Exploration ); précédent : 000F24; suivant : 000F26Enhancing enzyme-aided production of fermentable sugars from poplar pulp in the presence of non-ionic surfactants.
Auteurs : A. Alhammad [Canada] ; P. Adewale [Canada] ; M. Kuttiraja [Canada] ; L P Christopher [Canada]Source :
- Bioprocess and biosystems engineering [ 1615-7605 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Cellulase, Glucose, Surface-Active Agents.
- chemistry : Populus, Wood.
- Hydrolysis.
Abstract
Addition of surfactants to enzymatic hydrolysis has been reported to enhance the hydrolytic potential of enzymes in the bioconversion of lignocellulosic biomass to fermentable sugars. The objective of this investigation was to evaluate the effects of four non-ionic surfactants (PEG4000, PEG8000, TitronX-100, and Tween80) on the efficiency of enzymatic hydrolysis of steam-pretreated poplar using a commercial cellulase preparation (Cellic® CTec2). Statistical discriminant analysis at four variable factors (surfactant type, surfactant concentration, hydrolysis time, and substrate consistency) revealed that enzymatic hydrolysis was significantly enhanced in the presence of PEG4000, with 19.2% increase in glucose yield over control without surfactant, whereas ANOVA test indicated substrate consistency and hydrolysis time as the most significant factors (P < 0.05). Hydrolysis of poplar pulp at 5% w/w pulp consistency with CTec2 in presence of 1% w/w PEG4000 produced the highest glucose yield of 58.5% after 96 h reaction time.
DOI: 10.1007/s00449-018-1942-z
PubMed: 29700656
Affiliations:
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The objective of this investigation was to evaluate the effects of four non-ionic surfactants (PEG4000, PEG8000, TitronX-100, and Tween80) on the efficiency of enzymatic hydrolysis of steam-pretreated poplar using a commercial cellulase preparation (Cellic® CTec2). Statistical discriminant analysis at four variable factors (surfactant type, surfactant concentration, hydrolysis time, and substrate consistency) revealed that enzymatic hydrolysis was significantly enhanced in the presence of PEG4000, with 19.2% increase in glucose yield over control without surfactant, whereas ANOVA test indicated substrate consistency and hydrolysis time as the most significant factors (P < 0.05). Hydrolysis of poplar pulp at 5% w/w pulp consistency with CTec2 in presence of 1% w/w PEG4000 produced the highest glucose yield of 58.5% after 96 h reaction time.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29700656</PMID><DateCompleted><Year>2018</Year><Month>10</Month><Day>23</Day></DateCompleted><DateRevised><Year>2018</Year><Month>10</Month><Day>23</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1615-7605</ISSN><JournalIssue CitedMedium="Internet"><Volume>41</Volume><Issue>8</Issue><PubDate><Year>2018</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Bioprocess and biosystems engineering</Title><ISOAbbreviation>Bioprocess Biosyst Eng</ISOAbbreviation></Journal><ArticleTitle>Enhancing enzyme-aided production of fermentable sugars from poplar pulp in the presence of non-ionic surfactants.</ArticleTitle><Pagination><MedlinePgn>1133-1142</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00449-018-1942-z</ELocationID><Abstract><AbstractText>Addition of surfactants to enzymatic hydrolysis has been reported to enhance the hydrolytic potential of enzymes in the bioconversion of lignocellulosic biomass to fermentable sugars. The objective of this investigation was to evaluate the effects of four non-ionic surfactants (PEG4000, PEG8000, TitronX-100, and Tween80) on the efficiency of enzymatic hydrolysis of steam-pretreated poplar using a commercial cellulase preparation (Cellic® CTec2). Statistical discriminant analysis at four variable factors (surfactant type, surfactant concentration, hydrolysis time, and substrate consistency) revealed that enzymatic hydrolysis was significantly enhanced in the presence of PEG4000, with 19.2% increase in glucose yield over control without surfactant, whereas ANOVA test indicated substrate consistency and hydrolysis time as the most significant factors (P < 0.05). Hydrolysis of poplar pulp at 5% w/w pulp consistency with CTec2 in presence of 1% w/w PEG4000 produced the highest glucose yield of 58.5% after 96 h reaction time.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Alhammad</LastName><ForeName>A</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Biorefining Research Institute, Lakehead University, 1294 Balmoral Street, Thunder Bay, P7B 5Z5, ON, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Adewale</LastName><ForeName>P</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Biorefining Research Institute, Lakehead University, 1294 Balmoral Street, Thunder Bay, P7B 5Z5, ON, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kuttiraja</LastName><ForeName>M</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Biorefining Research Institute, Lakehead University, 1294 Balmoral Street, Thunder Bay, P7B 5Z5, ON, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Christopher</LastName><ForeName>L P</ForeName><Initials>LP</Initials><AffiliationInfo><Affiliation>Biorefining Research Institute, Lakehead University, 1294 Balmoral Street, Thunder Bay, P7B 5Z5, ON, Canada. lchristo@lakeheadu.ca.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>04</Month><Day>26</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Bioprocess Biosyst Eng</MedlineTA><NlmUniqueID>101088505</NlmUniqueID><ISSNLinking>1615-7591</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D013501">Surface-Active Agents</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 3.2.1.4</RegistryNumber><NameOfSubstance UI="D002480">Cellulase</NameOfSubstance></Chemical><Chemical><RegistryNumber>IY9XDZ35W2</RegistryNumber><NameOfSubstance UI="D005947">Glucose</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002480" MajorTopicYN="N">Cellulase</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005947" MajorTopicYN="N">Glucose</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013501" MajorTopicYN="N">Surface-Active Agents</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cellulase</Keyword><Keyword MajorTopicYN="N">Discriminant analysis</Keyword><Keyword MajorTopicYN="N">Enzymatic hydrolysis</Keyword><Keyword MajorTopicYN="N">Fermentable sugars</Keyword><Keyword MajorTopicYN="N">Non-ionic surfactants</Keyword><Keyword MajorTopicYN="N">Poplar pulp</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>12</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>04</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>4</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>10</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>4</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29700656</ArticleId><ArticleId IdType="doi">10.1007/s00449-018-1942-z</ArticleId><ArticleId IdType="pii">10.1007/s00449-018-1942-z</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Alhammad, A" sort="Alhammad, A" uniqKey="Alhammad A" first="A" last="Alhammad">A. Alhammad</name></noRegion><name sortKey="Adewale, P" sort="Adewale, P" uniqKey="Adewale P" first="P" last="Adewale">P. Adewale</name><name sortKey="Christopher, L P" sort="Christopher, L P" uniqKey="Christopher L" first="L P" last="Christopher">L P Christopher</name><name sortKey="Kuttiraja, M" sort="Kuttiraja, M" uniqKey="Kuttiraja M" first="M" last="Kuttiraja">M. Kuttiraja</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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