{"@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/1361699994257944192.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.phytochem.2004.03.016"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0031942204001177?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0031942204001177?httpAccept=text/plain"}},{"identifier":{"@type":"PMID","@value":"15184015"}}],"dc:title":[{"@value":"Antibacterial diterpenes and their fatty acid conjugates from rice leaves"}],"description":[{"notation":[{"@value":"Six structurally oryzalide-related compounds, oryzadione (1), 2, 3, 4, 5 and 6, were isolated from a neutral fraction of the extract of healthy leaves using a bacterial leaf blight-resistant cultivar of a rice plant, \"Norin-27\", as a group of antimicrobial substances. Their structures were determined by spectroscopic studies to be kaurane analogues and kaurane analogues conjugated with fatty acids, i.e., 1: ent-15,16-epoxy-kauran-2,3-dione (enol form: ent-15,16-epoxy-2-hydroxy-kauran-1-en-3-one), 2: ent-15,16-epoxy-3beta-hydroxy-kauran-2-one, 3: ent-15,16-epoxy-3-oxa-kauran-2-one, 4: ent-15,16-epoxy-3beta-myristoyloxy-kauran-2-one, 5: ent-15,16-epoxy-3alpha-palmitoyloxy-kauran-2-one, and 6: ent-15,16-epoxy-2beta-palmitoyloxy-kauran-2-one."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699994257944197","@type":"Researcher","foaf:name":[{"@value":"Yoshiki Kono"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944193","@type":"Researcher","foaf:name":[{"@value":"Aya Kojima"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944194","@type":"Researcher","foaf:name":[{"@value":"Rieko Nagai"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944196","@type":"Researcher","foaf:name":[{"@value":"Manabu Watanabe"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944195","@type":"Researcher","foaf:name":[{"@value":"Takahiro Kawashima"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944201","@type":"Researcher","foaf:name":[{"@value":"Tsugu Onizawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944199","@type":"Researcher","foaf:name":[{"@value":"Tohru Teraoka"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944198","@type":"Researcher","foaf:name":[{"@value":"Minoru Watanab"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944200","@type":"Researcher","foaf:name":[{"@value":"Hiroyuki Koshino"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994257944192","@type":"Researcher","foaf:name":[{"@value":"Jun Uzawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1380861292115485057","@type":"Researcher","foaf:name":[{"@value":"Yoshikatsu Suzuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1380861292115485056","@type":"Researcher","foaf:name":[{"@value":"Akira Sakurai"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00319422"}],"prism:publicationName":[{"@value":"Phytochemistry"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2004-05","prism:volume":"65","prism:number":"9","prism:startingPage":"1291","prism:endingPage":"1298"},"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:S0031942204001177?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0031942204001177?httpAccept=text/plain"}],"createdAt":"2004-04-24","modifiedAt":"2025-09-21","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Plant%20Leaves","dc:title":"Plant Leaves"},{"@id":"https://cir.nii.ac.jp/all?q=Molecular%20Structure","dc:title":"Molecular Structure"},{"@id":"https://cir.nii.ac.jp/all?q=Plant%20Extracts","dc:title":"Plant Extracts"},{"@id":"https://cir.nii.ac.jp/all?q=Fatty%20Acids","dc:title":"Fatty Acids"},{"@id":"https://cir.nii.ac.jp/all?q=Oryza","dc:title":"Oryza"},{"@id":"https://cir.nii.ac.jp/all?q=Diterpenes,%20Kaurane","dc:title":"Diterpenes, Kaurane"},{"@id":"https://cir.nii.ac.jp/all?q=Nuclear%20Magnetic%20Resonance,%20Biomolecular","dc:title":"Nuclear Magnetic Resonance, Biomolecular"},{"@id":"https://cir.nii.ac.jp/all?q=Anti-Bacterial%20Agents","dc:title":"Anti-Bacterial Agents"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1361137044959831936","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Evolution of Labdane-Related Diterpene Synthases in Cereals"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206477534336","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Identification of a Novel Casbane-Type Diterpene 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