Defensive Sesquiterpenoids from Leaves of Eupatorium adenophorum
Shi Wei1,2; Luo Shihong1,2; Li Shenghong1
Corresponding AuthorLi, SH (reprint author), Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650201, Yunnan, Peoples R China,shli@mail.kib.ac.cn
2012-06-01
Source PublicationCHINESE JOURNAL OF CHEMISTRY
ISSN1001-604X
Volume30Issue:6Pages:1331-1334
AbstractThe invasive plant Eupatorium adenophorum Spreng has caused great economic loss in China, and is gravely threatening the native biodiversity and ecosystem. The plant has been phytochemically investigated for the defensive chemical substances in its leaves. Three active sesquiterpenoids were isolated and identified, which include a new sesquiterpenoid (1), and two known sesquiterpenoids (2, 3). Their structures were established by spectroscopic studies such as 1D- and 2D-NMR and MS analyses. Meanwhile, the antifeedant activities of these compounds against two generalist plant-feeding insects, Helicoverpa armigera and Spodoptera exigua, were carried out. Compound 1 showed significant antifeedant activity against S. exigua with EC50=7.46 mu g/cm2, while compounds 2 and 3 were more active against H. armigera (EC50=2.57 and 3.04 mu g/cm2 respectively). These findings suggest a defensive role of sesquiterpenoids in E. adenophorum against herbivores.
KeywordEupatorium Adenophorum Leaves Chemical Defense Sesquiterpenoids Antifeedant Activity
Subject AreaChemistry
DOI10.1002/cjoc.201200279
Indexed BySCI ; IC
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000305389200025
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/17614
Collection植物化学与西部植物资源持续利用国家重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Shi Wei,Luo Shihong,Li Shenghong. Defensive Sesquiterpenoids from Leaves of Eupatorium adenophorum[J]. CHINESE JOURNAL OF CHEMISTRY,2012,30(6):1331-1334.
APA Shi Wei,Luo Shihong,&Li Shenghong.(2012).Defensive Sesquiterpenoids from Leaves of Eupatorium adenophorum.CHINESE JOURNAL OF CHEMISTRY,30(6),1331-1334.
MLA Shi Wei,et al."Defensive Sesquiterpenoids from Leaves of Eupatorium adenophorum".CHINESE JOURNAL OF CHEMISTRY 30.6(2012):1331-1334.
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