Quantitative determination of hydroxycinnamic acids in wheat, rice, rye, and barley straws, maize stems, oil palm frond fiber, and fast-growing poplar wood.
Identifieur interne : 004662 ( Main/Exploration ); précédent : 004661; suivant : 004663Quantitative determination of hydroxycinnamic acids in wheat, rice, rye, and barley straws, maize stems, oil palm frond fiber, and fast-growing poplar wood.
Auteurs : R C Sun [République populaire de Chine] ; X F Sun ; S H ZhangSource :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2001.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Coumaric Acids.
- chemistry : Edible Grain, Trees.
- Chromatography, High Pressure Liquid, Magnetic Resonance Spectroscopy, Spectroscopy, Fourier Transform Infrared.
Abstract
A new method has been developed for the quantitative determination of hydroxycinnamic acids participating in ester or ether linkages to the cell wall polymers. The method is based on mild alkaline hydrolysis followed by acid hydrolysis or mild alkaline hydrolysis, which partially removed esterified phenolic acids, and high-temperature concentrated alkaline treatment, which cleaved both the ester and ether linkages. It was found that traditional mild alkaline hydrolysis and acid hydrolysis released only part of the ester- and ether-linked phenolic acids, respectively. Approximately half (44.0-47.9%) of the total ester-linked p-coumaric acid and 18.2-32.6% of the total esterified ferulic acid remained ester-linked to the mild alkali-soluble lignin polymers, and 55.0-72.0% of the total ether-linked p-coumaric acid and 37.5-53.8% of the total ether-linked ferulic acid remained ether-linked to the solubilized lignin molecules after the acid hydrolysis. To correct this, a second mild alkaline hydrolysis of the alkali-soluble lignin preparations and acid hydrolysis of the solubilized lignin fractions, obtained from the first acid hydrolysis of the cell wall materials, was investigated. On the basis of this new method, a majority of the cell wall p-coumaric acid (55.8-81.5%) was found to be ester-linked to cell wall components, mainly to lignin, and about half of the cell wall ferulic acid is etherified through its phenolic oxygen to the cell wall lignin component, whereas the remainder is esterified to the cell wall hemicelluloses and/or lignin in different plant materials.
DOI: 10.1021/jf010500r
PubMed: 11714291
Affiliations:
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sortKey="Sun, X F" sort="Sun, X F" uniqKey="Sun X" first="X F" last="Sun">X F Sun</name></author><author><name sortKey="Zhang, S H" sort="Zhang, S H" uniqKey="Zhang S" first="S H" last="Zhang">S H Zhang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2001">2001</date><idno type="RBID">pubmed:11714291</idno><idno type="pmid">11714291</idno><idno type="doi">10.1021/jf010500r</idno><idno type="wicri:Area/Main/Corpus">004711</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004711</idno><idno type="wicri:Area/Main/Curation">004711</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004711</idno><idno type="wicri:Area/Main/Exploration">004711</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Quantitative determination of hydroxycinnamic acids in wheat, rice, rye, and barley straws, maize stems, oil palm frond fiber, and fast-growing poplar wood.</title><author><name sortKey="Sun, R C" sort="Sun, R C" uniqKey="Sun R" first="R C" last="Sun">R C Sun</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Pulp and Paper Engineering, College of Paper and Environment Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China. bcs00a@bangor.ac.uk</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Pulp and Paper Engineering, College of Paper and Environment Engineering, South China University of Technology, Guangzhou 510640</wicri:regionArea><placeName><settlement type="city">Jiangmen</settlement><region type="province">Guangdong</region></placeName></affiliation></author><author><name sortKey="Sun, X F" sort="Sun, X F" uniqKey="Sun X" first="X F" last="Sun">X F Sun</name></author><author><name sortKey="Zhang, S H" sort="Zhang, S H" uniqKey="Zhang S" first="S H" last="Zhang">S H Zhang</name></author></analytic><series><title level="j">Journal of agricultural and food chemistry</title><idno type="ISSN">0021-8561</idno><imprint><date when="2001" type="published">2001</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chromatography, High Pressure Liquid (MeSH)</term><term>Coumaric Acids (analysis)</term><term>Edible Grain (chemistry)</term><term>Magnetic Resonance Spectroscopy (MeSH)</term><term>Spectroscopy, Fourier Transform Infrared (MeSH)</term><term>Trees (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acides coumariques (analyse)</term><term>Arbres (composition chimique)</term><term>Chromatographie en phase liquide à haute performance (MeSH)</term><term>Grains comestibles (composition chimique)</term><term>Spectroscopie infrarouge à transformée de Fourier (MeSH)</term><term>Spectroscopie par résonance magnétique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Coumaric Acids</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Acides coumariques</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Edible Grain</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Arbres</term><term>Grains comestibles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Chromatography, High Pressure Liquid</term><term>Magnetic Resonance Spectroscopy</term><term>Spectroscopy, Fourier Transform Infrared</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Chromatographie en phase liquide à haute performance</term><term>Spectroscopie infrarouge à transformée de Fourier</term><term>Spectroscopie par résonance magnétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A new method has been developed for the quantitative determination of hydroxycinnamic acids participating in ester or ether linkages to the cell wall polymers. The method is based on mild alkaline hydrolysis followed by acid hydrolysis or mild alkaline hydrolysis, which partially removed esterified phenolic acids, and high-temperature concentrated alkaline treatment, which cleaved both the ester and ether linkages. It was found that traditional mild alkaline hydrolysis and acid hydrolysis released only part of the ester- and ether-linked phenolic acids, respectively. Approximately half (44.0-47.9%) of the total ester-linked p-coumaric acid and 18.2-32.6% of the total esterified ferulic acid remained ester-linked to the mild alkali-soluble lignin polymers, and 55.0-72.0% of the total ether-linked p-coumaric acid and 37.5-53.8% of the total ether-linked ferulic acid remained ether-linked to the solubilized lignin molecules after the acid hydrolysis. To correct this, a second mild alkaline hydrolysis of the alkali-soluble lignin preparations and acid hydrolysis of the solubilized lignin fractions, obtained from the first acid hydrolysis of the cell wall materials, was investigated. On the basis of this new method, a majority of the cell wall p-coumaric acid (55.8-81.5%) was found to be ester-linked to cell wall components, mainly to lignin, and about half of the cell wall ferulic acid is etherified through its phenolic oxygen to the cell wall lignin component, whereas the remainder is esterified to the cell wall hemicelluloses and/or lignin in different plant materials.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">11714291</PMID><DateCompleted><Year>2002</Year><Month>01</Month><Day>14</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0021-8561</ISSN><JournalIssue CitedMedium="Print"><Volume>49</Volume><Issue>11</Issue><PubDate><Year>2001</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Journal of agricultural and food chemistry</Title><ISOAbbreviation>J Agric Food Chem</ISOAbbreviation></Journal><ArticleTitle>Quantitative determination of hydroxycinnamic acids in wheat, rice, rye, and barley straws, maize stems, oil palm frond fiber, and fast-growing poplar wood.</ArticleTitle><Pagination><MedlinePgn>5122-9</MedlinePgn></Pagination><Abstract><AbstractText>A new method has been developed for the quantitative determination of hydroxycinnamic acids participating in ester or ether linkages to the cell wall polymers. The method is based on mild alkaline hydrolysis followed by acid hydrolysis or mild alkaline hydrolysis, which partially removed esterified phenolic acids, and high-temperature concentrated alkaline treatment, which cleaved both the ester and ether linkages. It was found that traditional mild alkaline hydrolysis and acid hydrolysis released only part of the ester- and ether-linked phenolic acids, respectively. Approximately half (44.0-47.9%) of the total ester-linked p-coumaric acid and 18.2-32.6% of the total esterified ferulic acid remained ester-linked to the mild alkali-soluble lignin polymers, and 55.0-72.0% of the total ether-linked p-coumaric acid and 37.5-53.8% of the total ether-linked ferulic acid remained ether-linked to the solubilized lignin molecules after the acid hydrolysis. To correct this, a second mild alkaline hydrolysis of the alkali-soluble lignin preparations and acid hydrolysis of the solubilized lignin fractions, obtained from the first acid hydrolysis of the cell wall materials, was investigated. On the basis of this new method, a majority of the cell wall p-coumaric acid (55.8-81.5%) was found to be ester-linked to cell wall components, mainly to lignin, and about half of the cell wall ferulic acid is etherified through its phenolic oxygen to the cell wall lignin component, whereas the remainder is esterified to the cell wall hemicelluloses and/or lignin in different plant materials.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>R C</ForeName><Initials>RC</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Pulp and Paper Engineering, College of Paper and Environment Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China. bcs00a@bangor.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>X F</ForeName><Initials>XF</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>S H</ForeName><Initials>SH</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="D003373">Coumaric Acids</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002851" MajorTopicYN="N">Chromatography, High Pressure Liquid</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003373" MajorTopicYN="N">Coumaric Acids</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002523" MajorTopicYN="N">Edible Grain</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009682" MajorTopicYN="N">Magnetic Resonance Spectroscopy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017550" MajorTopicYN="N">Spectroscopy, Fourier Transform Infrared</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2001</Year><Month>11</Month><Day>21</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>1</Month><Day>15</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2001</Year><Month>11</Month><Day>21</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11714291</ArticleId><ArticleId IdType="pii">jf010500r</ArticleId><ArticleId IdType="doi">10.1021/jf010500r</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Guangdong</li></region><settlement><li>Jiangmen</li></settlement></list><tree><noCountry><name sortKey="Sun, X F" sort="Sun, X F" uniqKey="Sun X" first="X F" last="Sun">X F Sun</name><name sortKey="Zhang, S H" sort="Zhang, S H" uniqKey="Zhang S" first="S H" last="Zhang">S H Zhang</name></noCountry><country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Sun, R C" sort="Sun, R C" uniqKey="Sun R" first="R C" last="Sun">R C Sun</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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