Document Detail


Feeding Deterrents against Two Grain Storage Insects from Euphorbia fischeriana.
MedLine Citation:
PMID:  21221063     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The screening of several Chinese medicinal herbs for insecticidal principles showed that Euphorbia fischeriana roots possessed significant feeding deterrent activity against two stored-product insects (Tribolium castaneum and Sitophilus zeamais). From ethanol extract, four feeding deterrents were isolated by bioassay-guided fractionation. The compounds were identified as jolkinolide B, 12-deoxyphorbol 13-(9Z)-octadecenoate 20-acetate, 17-hydroxyjolkinolide A and B on the basis of their phytochemical and spectral data. Jolkinolide B and 17-hydroxyjolkinolide B possessed strong feeding deterrent activities against S. zeamais (EC(50 )= 342.1 and 543.9 ppm, respectively) and T. castaneum adults (EC(50) = 361.4 and 551.5 ppm, respectively). 17-Hydroxyjolkinolide A and 12-deoxyphorbol 13-(9Z)-octadecenoate 20-acetate A also exhibited feeding deterrent activity against the two grain storage insects with EC(50) values of 631.9 and 884.3 ppm for S. zeamais and 656.5 and 1058.4 ppm for T. castaneum adults.
Authors:
Zhu Feng Geng; Zhi Long Liu; Cheng Fang Wang; Qi Zhi Liu; Sheng Min Shen; Zi Mu Liu; Shu Shan Du; Zhi Wei Deng
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Publication Detail:
Type:  Journal Article     Date:  2011-01-10
Journal Detail:
Title:  Molecules (Basel, Switzerland)     Volume:  16     ISSN:  1420-3049     ISO Abbreviation:  Molecules     Publication Date:  2011  
Date Detail:
Created Date:  2011-01-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100964009     Medline TA:  Molecules     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  466-76     Citation Subset:  IM    
Affiliation:
Analytical and Testing Center, Beijing Normal University, Beijing 100875, China. zhilongliu@cau.edu.cn.
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