{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362825896381984512.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/s0031-9422(02)00749-5"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0031942202007495?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0031942202007495?httpAccept=text/plain"}},{"identifier":{"@type":"PMID","@value":"12737985"}}],"dc:title":[{"@value":"Compound-specific δD–δ13C analyses of n-alkanes extracted from terrestrial and aquatic plants"}],"description":[{"notation":[{"@value":"Stable hydrogen and carbon isotopic compositions of individual n-alkanes were determined for various terrestrial plants (33 samples including 27 species) and aquatic plants (six species) in natural environments from Japan and Thailand. In C3 plants, n-alkanes extracted from angiosperms have a deltaD value of -152+/-26 per thousand (relative to Standard Mean Ocean Water [SMOW]) and delta13C value of -36.1+/-2.7 per thousand (relative to Peedde Belemnite [PDB]), and those from gymnosperms have a deltaD value of -149+/-16 per thousand and delta13C value of -31.6+/-1.7 per thousand. Angiosperms have n-alkanes depleted in 13C relative to gymnosperms. n-Alkanes from C4 plants have a deltaD value of -171+/-12 per thousand and delta13C value of -20.5+/-2.1 per thousand, being a little depleted in D and much enriched in 13C compared to C3 plants. n-Alkanes of CAM plants are a little depleted in D and vary widely in delta13C relative to those of C3 and C4 plants. In aquatic plants, n-alkanes from freshwater plants have a deltaD value of -187+/-16 per thousand and delta13C value of -25.3+/-1.9 per thousand, and those from seaweeds have a deltaD value of -155+/-34 per thousand and delta13C value of -22.8+/-1.0 per thousand. All n-alkanes from various plant classes are more depleted in D and 13C relative to environmental water and bulk tissue, respectively. In addition, the hydrogen and carbon isotopic fractionations during n-alkane synthesis are distinctive for these various plant classes. While C3 plants have smaller isotopic fractionations in both D and 13C, seaweed has larger isotopic fractionations."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825896381984513","@type":"Researcher","foaf:name":[{"@value":"Yoshito Chikaraishi"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896381984512","@type":"Researcher","foaf:name":[{"@value":"Hiroshi Naraoka"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00319422"}],"prism:publicationName":[{"@value":"Phytochemistry"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2003-06","prism:volume":"63","prism:number":"3","prism:startingPage":"361","prism:endingPage":"371"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/","https://www.elsevier.com/legal/tdmrep-license"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0031942202007495?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0031942202007495?httpAccept=text/plain"}],"createdAt":"2003-05-13","modifiedAt":"2025-09-21","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Carbon%20Isotopes","dc:title":"Carbon Isotopes"},{"@id":"https://cir.nii.ac.jp/all?q=Magnoliopsida","dc:title":"Magnoliopsida"},{"@id":"https://cir.nii.ac.jp/all?q=Cycadopsida","dc:title":"Cycadopsida"},{"@id":"https://cir.nii.ac.jp/all?q=Alkanes","dc:title":"Alkanes"},{"@id":"https://cir.nii.ac.jp/all?q=Environment","dc:title":"Environment"},{"@id":"https://cir.nii.ac.jp/all?q=Deuterium","dc:title":"Deuterium"},{"@id":"https://cir.nii.ac.jp/all?q=Water%20Pollutants,%20Chemical","dc:title":"Water Pollutants, Chemical"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004232416405248","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Exploration of intramolecular 13C isotope distribution in long chain n-alkanes (C11–C31) using isotopic 13C NMR"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004232419805952","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Submillennial resolution carbon isotope stratigraphy across the Oceanic Anoxic Event 2 horizon in the Tappu section, Hokkaido, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285707147162624","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Global mapping of carbon isotope ratios in coal"}]},{"@id":"https://cir.nii.ac.jp/crid/1360565165890566912","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Influence of aerosol source regions and transport pathway on δD of terrestrial biomarkers in atmospheric aerosols from the East China Sea"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848657346496000","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"δ13C–δD distribution of lipid biomarkers in a bacterial mat from a hot spring in Miyagi Prefecture, NE Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848657346593792","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Volcanic and environmental influences of Mt. 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