Characterization of Odors of Wood by Gas Chromatography-Olfactometry with Removal of Extractives as Attempt to Control Indoor Air Quality.
Identifieur interne : 001004 ( Main/Exploration ); précédent : 001003; suivant : 001005Characterization of Odors of Wood by Gas Chromatography-Olfactometry with Removal of Extractives as Attempt to Control Indoor Air Quality.
Auteurs : Ru Liu [République populaire de Chine] ; Chen Wang [République populaire de Chine] ; Anmin Huang [République populaire de Chine] ; Bin Lv [République populaire de Chine]Source :
- Molecules (Basel, Switzerland) [ 1420-3049 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Composés organiques volatils, Odorisants.
- composition chimique : Bois.
- Chromatographie en phase gazeuse, Olfactométrie, Pollution de l'air intérieur.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Volatile Organic Compounds.
- analysis : Odorants.
- chemistry : Wood.
- Air Pollution, Indoor, Chromatography, Gas, Olfactometry.
Abstract
Indoor air quality problems are usually revealed by occupants' complaints. In this study, the odors of two types of hardwood species, namely, Cathy poplar (Populus cathayana Rehd.) and rubberwood (Hevea brasiliensis) were selected and extracted with ethanol-toluene for removal of extractives in an attempt to eliminate the odors. The odorous components of neat and extracted woods were identified by gas chromatography-mass spectrometry/olfactometry (GC-MS/O). The results showed that about 33 kinds of key volatile compounds (peak area above 0.2%) were detected from the GC-MS, and about 40 kinds of odorants were identified from GC-O. The components were concentrated between 15 and 33 min in GC-O, which was different from the concentration time in GC-MS. Lots of the odors identified from GC-O were unpleasant to humans, and variously described as stinky, burnt, leather, bug, herb, etc. These odors may originate from the thermos-oxidation of wood components. After extraction, the amounts and intensities of some odorants decreased, while some remained. However, the extraction process resulted in a benzene residue and led to increased benzene odor.
DOI: 10.3390/molecules23010203
PubMed: 29346285
PubMed Central: PMC6017606
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Chinese Academy of Forestry, Beijing 100091, China. wonderfulmorning@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Huang, Anmin" sort="Huang, Anmin" uniqKey="Huang A" first="Anmin" last="Huang">Anmin Huang</name><affiliation wicri:level="1"><nlm:affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. ham2003@caf.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Lv, Bin" sort="Lv, Bin" uniqKey="Lv B" first="Bin" last="Lv">Bin Lv</name><affiliation wicri:level="1"><nlm:affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. zj3@caf.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author></analytic><series><title level="j">Molecules (Basel, Switzerland)</title><idno type="eISSN">1420-3049</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollution, Indoor (MeSH)</term><term>Chromatography, Gas (MeSH)</term><term>Odorants (analysis)</term><term>Olfactometry (MeSH)</term><term>Volatile Organic Compounds (analysis)</term><term>Wood (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bois (composition chimique)</term><term>Chromatographie en phase gazeuse (MeSH)</term><term>Composés organiques volatils (analyse)</term><term>Odorisants (analyse)</term><term>Olfactométrie (MeSH)</term><term>Pollution de l'air intérieur (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Volatile Organic Compounds</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Composés organiques volatils</term><term>Odorisants</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Odorants</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Wood</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bois</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Air Pollution, Indoor</term><term>Chromatography, Gas</term><term>Olfactometry</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Chromatographie en phase gazeuse</term><term>Olfactométrie</term><term>Pollution de l'air intérieur</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Indoor air quality problems are usually revealed by occupants' complaints. In this study, the odors of two types of hardwood species, namely, Cathy poplar (<i>Populus cathayana</i> Rehd.) and rubberwood (<i>Hevea brasiliensis</i>) were selected and extracted with ethanol-toluene for removal of extractives in an attempt to eliminate the odors. The odorous components of neat and extracted woods were identified by gas chromatography-mass spectrometry/olfactometry (GC-MS/O). The results showed that about 33 kinds of key volatile compounds (peak area above 0.2%) were detected from the GC-MS, and about 40 kinds of odorants were identified from GC-O. The components were concentrated between 15 and 33 min in GC-O, which was different from the concentration time in GC-MS. Lots of the odors identified from GC-O were unpleasant to humans, and variously described as stinky, burnt, leather, bug, herb, etc. These odors may originate from the thermos-oxidation of wood components. After extraction, the amounts and intensities of some odorants decreased, while some remained. However, the extraction process resulted in a benzene residue and led to increased benzene odor.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29346285</PMID><DateCompleted><Year>2018</Year><Month>08</Month><Day>03</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>07</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1420-3049</ISSN><JournalIssue CitedMedium="Internet"><Volume>23</Volume><Issue>1</Issue><PubDate><Year>2018</Year><Month>Jan</Month><Day>18</Day></PubDate></JournalIssue><Title>Molecules (Basel, Switzerland)</Title><ISOAbbreviation>Molecules</ISOAbbreviation></Journal><ArticleTitle>Characterization of Odors of Wood by Gas Chromatography-Olfactometry with Removal of Extractives as Attempt to Control Indoor Air Quality.</ArticleTitle><ELocationID EIdType="pii" ValidYN="Y">E203</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.3390/molecules23010203</ELocationID><Abstract><AbstractText>Indoor air quality problems are usually revealed by occupants' complaints. In this study, the odors of two types of hardwood species, namely, Cathy poplar (<i>Populus cathayana</i> Rehd.) and rubberwood (<i>Hevea brasiliensis</i>) were selected and extracted with ethanol-toluene for removal of extractives in an attempt to eliminate the odors. The odorous components of neat and extracted woods were identified by gas chromatography-mass spectrometry/olfactometry (GC-MS/O). The results showed that about 33 kinds of key volatile compounds (peak area above 0.2%) were detected from the GC-MS, and about 40 kinds of odorants were identified from GC-O. The components were concentrated between 15 and 33 min in GC-O, which was different from the concentration time in GC-MS. Lots of the odors identified from GC-O were unpleasant to humans, and variously described as stinky, burnt, leather, bug, herb, etc. These odors may originate from the thermos-oxidation of wood components. After extraction, the amounts and intensities of some odorants decreased, while some remained. However, the extraction process resulted in a benzene residue and led to increased benzene odor.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Ru</ForeName><Initials>R</Initials><Identifier Source="ORCID">0000-0001-5880-5504</Identifier><AffiliationInfo><Affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. liuru@criwi.org.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Chen</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. wonderfulmorning@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Anmin</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. ham2003@caf.ac.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lv</LastName><ForeName>Bin</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China. zj3@caf.ac.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>01</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Molecules</MedlineTA><NlmUniqueID>100964009</NlmUniqueID><ISSNLinking>1420-3049</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D055549">Volatile Organic Compounds</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D016902" MajorTopicYN="Y">Air Pollution, Indoor</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002849" MajorTopicYN="Y">Chromatography, Gas</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009812" MajorTopicYN="N">Odorants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D064367" MajorTopicYN="Y">Olfactometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055549" MajorTopicYN="N">Volatile Organic Compounds</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</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">gas chromatography-olfactometry</Keyword><Keyword MajorTopicYN="N">odor</Keyword><Keyword MajorTopicYN="N">volatile organic compounds</Keyword><Keyword MajorTopicYN="N">wood</Keyword></KeywordList><CoiStatement>The authors declare no conflict of interest.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>12</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>01</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>01</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>8</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29346285</ArticleId><ArticleId 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