Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity.
Identifieur interne : 003D60 ( Main/Curation ); précédent : 003D59; suivant : 003D61Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity.
Auteurs : Xuejun Pan [Canada] ; John F. Kadla ; Katsunobu Ehara ; Neil Gilkes ; Jack N. SaddlerSource :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Phénols.
- composition chimique : Lignine, Populus.
- isolement et purification : Lignine.
- pharmacologie : Antioxydants, Lignine.
- Acétylation, Hybridation génétique, Hydroxylation, Relation structure-activité, Éthanol.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Phenols.
- chemical , chemistry : Lignin.
- chemical , isolation & purification : Lignin.
- chemical , pharmacology : Antioxidants, Lignin.
- chemistry : Populus.
- Acetylation, Ethanol, Hybridization, Genetic, Hydroxylation, Structure-Activity Relationship.
Abstract
Twenty-one organosolv ethanol lignin samples were prepared from hybrid poplar (Populus nigra xP. maximowiczii) under varied conditions with an experimental matrix designed using response surface methodology (RSM). The lignin preparations were evaluated as potential antioxidants. Results indicated that the lignins with more phenolic hydroxyl groups, less aliphatic hydroxyl groups, low molecular weight, and narrow polydispersity showed high antioxidant activity. Processing conditions affected the functional groups and molecular weight of the extracted organosolv ethanol lignins, and consequently influenced the antioxidant activity of the lignins. In general, the lignins prepared at elevated temperature, longer reaction time, increased catalyst, and diluted ethanol showed high antioxidant activity. Regression models were developed to enable the quantitative prediction of lignin characteristics and antioxidant activity based on the processing conditions.
DOI: 10.1021/jf0605392
PubMed: 16881681
Links toward previous steps (curation, corpus...)
- to stream Main, to step Corpus: Pour aller vers cette notice dans l'étape Curation :003D60
Links to Exploration step
pubmed:16881681Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity.</title>
<author><name sortKey="Pan, Xuejun" sort="Pan, Xuejun" uniqKey="Pan X" first="Xuejun" last="Pan">Xuejun Pan</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver, Canada. xuepan@forestry.ubc.ca</nlm:affiliation>
<country xml:lang="fr">Canada</country>
<wicri:regionArea>Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Kadla, John F" sort="Kadla, John F" uniqKey="Kadla J" first="John F" last="Kadla">John F. Kadla</name>
</author>
<author><name sortKey="Ehara, Katsunobu" sort="Ehara, Katsunobu" uniqKey="Ehara K" first="Katsunobu" last="Ehara">Katsunobu Ehara</name>
</author>
<author><name sortKey="Gilkes, Neil" sort="Gilkes, Neil" uniqKey="Gilkes N" first="Neil" last="Gilkes">Neil Gilkes</name>
</author>
<author><name sortKey="Saddler, Jack N" sort="Saddler, Jack N" uniqKey="Saddler J" first="Jack N" last="Saddler">Jack N. Saddler</name>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PubMed</idno>
<date when="2006">2006</date>
<idno type="RBID">pubmed:16881681</idno>
<idno type="pmid">16881681</idno>
<idno type="doi">10.1021/jf0605392</idno>
<idno type="wicri:Area/Main/Corpus">003D60</idno>
<idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003D60</idno>
<idno type="wicri:Area/Main/Curation">003D60</idno>
<idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003D60</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en">Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity.</title>
<author><name sortKey="Pan, Xuejun" sort="Pan, Xuejun" uniqKey="Pan X" first="Xuejun" last="Pan">Xuejun Pan</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver, Canada. xuepan@forestry.ubc.ca</nlm:affiliation>
<country xml:lang="fr">Canada</country>
<wicri:regionArea>Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Kadla, John F" sort="Kadla, John F" uniqKey="Kadla J" first="John F" last="Kadla">John F. Kadla</name>
</author>
<author><name sortKey="Ehara, Katsunobu" sort="Ehara, Katsunobu" uniqKey="Ehara K" first="Katsunobu" last="Ehara">Katsunobu Ehara</name>
</author>
<author><name sortKey="Gilkes, Neil" sort="Gilkes, Neil" uniqKey="Gilkes N" first="Neil" last="Gilkes">Neil Gilkes</name>
</author>
<author><name sortKey="Saddler, Jack N" sort="Saddler, Jack N" uniqKey="Saddler J" first="Jack N" last="Saddler">Jack N. Saddler</name>
</author>
</analytic>
<series><title level="j">Journal of agricultural and food chemistry</title>
<idno type="ISSN">0021-8561</idno>
<imprint><date when="2006" type="published">2006</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetylation (MeSH)</term>
<term>Antioxidants (pharmacology)</term>
<term>Ethanol (MeSH)</term>
<term>Hybridization, Genetic (MeSH)</term>
<term>Hydroxylation (MeSH)</term>
<term>Lignin (chemistry)</term>
<term>Lignin (isolation & purification)</term>
<term>Lignin (pharmacology)</term>
<term>Phenols (analysis)</term>
<term>Populus (chemistry)</term>
<term>Structure-Activity Relationship (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Acétylation (MeSH)</term>
<term>Antioxydants (pharmacologie)</term>
<term>Hybridation génétique (MeSH)</term>
<term>Hydroxylation (MeSH)</term>
<term>Lignine (composition chimique)</term>
<term>Lignine (isolement et purification)</term>
<term>Lignine (pharmacologie)</term>
<term>Phénols (analyse)</term>
<term>Populus (composition chimique)</term>
<term>Relation structure-activité (MeSH)</term>
<term>Éthanol (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Phenols</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Lignin</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Lignin</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Antioxidants</term>
<term>Lignin</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Phénols</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Lignine</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Lignine</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Antioxydants</term>
<term>Lignine</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Acetylation</term>
<term>Ethanol</term>
<term>Hybridization, Genetic</term>
<term>Hydroxylation</term>
<term>Structure-Activity Relationship</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Acétylation</term>
<term>Hybridation génétique</term>
<term>Hydroxylation</term>
<term>Relation structure-activité</term>
<term>Éthanol</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Twenty-one organosolv ethanol lignin samples were prepared from hybrid poplar (Populus nigra xP. maximowiczii) under varied conditions with an experimental matrix designed using response surface methodology (RSM). The lignin preparations were evaluated as potential antioxidants. Results indicated that the lignins with more phenolic hydroxyl groups, less aliphatic hydroxyl groups, low molecular weight, and narrow polydispersity showed high antioxidant activity. Processing conditions affected the functional groups and molecular weight of the extracted organosolv ethanol lignins, and consequently influenced the antioxidant activity of the lignins. In general, the lignins prepared at elevated temperature, longer reaction time, increased catalyst, and diluted ethanol showed high antioxidant activity. Regression models were developed to enable the quantitative prediction of lignin characteristics and antioxidant activity based on the processing conditions.</div>
</front>
</TEI>
<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16881681</PMID>
<DateCompleted><Year>2006</Year>
<Month>09</Month>
<Day>21</Day>
</DateCompleted>
<DateRevised><Year>2013</Year>
<Month>11</Month>
<Day>21</Day>
</DateRevised>
<Article PubModel="Print"><Journal><ISSN IssnType="Print">0021-8561</ISSN>
<JournalIssue CitedMedium="Print"><Volume>54</Volume>
<Issue>16</Issue>
<PubDate><Year>2006</Year>
<Month>Aug</Month>
<Day>09</Day>
</PubDate>
</JournalIssue>
<Title>Journal of agricultural and food chemistry</Title>
<ISOAbbreviation>J Agric Food Chem</ISOAbbreviation>
</Journal>
<ArticleTitle>Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity.</ArticleTitle>
<Pagination><MedlinePgn>5806-13</MedlinePgn>
</Pagination>
<Abstract><AbstractText>Twenty-one organosolv ethanol lignin samples were prepared from hybrid poplar (Populus nigra xP. maximowiczii) under varied conditions with an experimental matrix designed using response surface methodology (RSM). The lignin preparations were evaluated as potential antioxidants. Results indicated that the lignins with more phenolic hydroxyl groups, less aliphatic hydroxyl groups, low molecular weight, and narrow polydispersity showed high antioxidant activity. Processing conditions affected the functional groups and molecular weight of the extracted organosolv ethanol lignins, and consequently influenced the antioxidant activity of the lignins. In general, the lignins prepared at elevated temperature, longer reaction time, increased catalyst, and diluted ethanol showed high antioxidant activity. Regression models were developed to enable the quantitative prediction of lignin characteristics and antioxidant activity based on the processing conditions.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pan</LastName>
<ForeName>Xuejun</ForeName>
<Initials>X</Initials>
<AffiliationInfo><Affiliation>Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver, Canada. xuepan@forestry.ubc.ca</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Kadla</LastName>
<ForeName>John F</ForeName>
<Initials>JF</Initials>
</Author>
<Author ValidYN="Y"><LastName>Ehara</LastName>
<ForeName>Katsunobu</ForeName>
<Initials>K</Initials>
</Author>
<Author ValidYN="Y"><LastName>Gilkes</LastName>
<ForeName>Neil</ForeName>
<Initials>N</Initials>
</Author>
<Author ValidYN="Y"><LastName>Saddler</LastName>
<ForeName>Jack N</ForeName>
<Initials>JN</Initials>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
</Article>
<MedlineJournalInfo><Country>United States</Country>
<MedlineTA>J Agric Food Chem</MedlineTA>
<NlmUniqueID>0374755</NlmUniqueID>
<ISSNLinking>0021-8561</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList><Chemical><RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000975">Antioxidants</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010636">Phenols</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>3K9958V90M</RegistryNumber>
<NameOfSubstance UI="D000431">Ethanol</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>9005-53-2</RegistryNumber>
<NameOfSubstance UI="D008031">Lignin</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName UI="D000107" MajorTopicYN="N">Acetylation</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D000975" MajorTopicYN="N">Antioxidants</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D000431" MajorTopicYN="Y">Ethanol</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D006900" MajorTopicYN="N">Hydroxylation</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010636" MajorTopicYN="N">Phenols</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D013329" MajorTopicYN="N">Structure-Activity Relationship</DescriptorName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year>
<Month>8</Month>
<Day>3</Day>
<Hour>9</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline"><Year>2006</Year>
<Month>9</Month>
<Day>22</Day>
<Hour>9</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez"><Year>2006</Year>
<Month>8</Month>
<Day>3</Day>
<Hour>9</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">16881681</ArticleId>
<ArticleId IdType="doi">10.1021/jf0605392</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
</record>
Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Bois/explor/PoplarV1/Data/Main/Curation
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 003D60 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Curation/biblio.hfd -nk 003D60 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien |wiki= Bois |area= PoplarV1 |flux= Main |étape= Curation |type= RBID |clé= pubmed:16881681 |texte= Organosolv ethanol lignin from hybrid poplar as a radical scavenger: relationship between lignin structure, extraction conditions, and antioxidant activity. }}
Pour générer des pages wiki
HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Curation/RBID.i -Sk "pubmed:16881681" \ | HfdSelect -Kh $EXPLOR_AREA/Data/Main/Curation/biblio.hfd \ | NlmPubMed2Wicri -a PoplarV1
This area was generated with Dilib version V0.6.37. |