Defensive Sesquiterpenoids from Leaves of Eupatorium adenophorum
Shi Wei1,2; Luo Shihong1,2; Li Shenghong1
2012-06-01
发表期刊CHINESE JOURNAL OF CHEMISTRY
ISSN1001-604X
卷号30期号:6页码:1331-1334
摘要The 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.
关键词Eupatorium Adenophorum Leaves Chemical Defense Sesquiterpenoids Antifeedant Activity
资助信息This research was supported financially by the "Hundred Talents Program" of the Chinese Academy of Sciences (CAS) (No. 699), the National Natural Science Foundation of China (No. 30870404) and West Ph.D. Program of Chinese Academy of Sciences (No. Y0222211W1).
学科领域Chemistry
DOI10.1002/cjoc.201200279
收录类别SCI ; IC
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000305389200025
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/17614
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.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
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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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