Please use this identifier to cite or link to this item: https://doi.org/10.1021/jf010838l
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dc.titleFeeding deterrents from Dictamnus dasycarpus Turcz against two stored-product insects
dc.contributor.authorLiu, Z.L.
dc.contributor.authorXu, Y.J.
dc.contributor.authorWu, J.
dc.contributor.authorGoh, S.H.
dc.contributor.authorHo, S.H.
dc.date.accessioned2014-10-16T08:28:39Z
dc.date.available2014-10-16T08:28:39Z
dc.date.issued2002-03-13
dc.identifier.citationLiu, Z.L., Xu, Y.J., Wu, J., Goh, S.H., Ho, S.H. (2002-03-13). Feeding deterrents from Dictamnus dasycarpus Turcz against two stored-product insects. Journal of Agricultural and Food Chemistry 50 (6) : 1447-1450. ScholarBank@NUS Repository. https://doi.org/10.1021/jf010838l
dc.identifier.issn00218561
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93809
dc.description.abstractThe screening for insecticidal principles from several Chinese medicinal herbs showed that the root bark of Dictamnus dasycarpus possessed significant feeding deterrence against two stored-product insects (Tribolium castaneum and Sitophilus zeamais). From the methanol extract, two feeding deterrents were isolated by bioassay-guided fractionation. The compounds were identified as fraxinellone and dictamnine from their spectroscopic data. Fraxinellone was demonstrated to possess feeding deterrent activity against adults and larvae of T. castaneum as well as S. zeamais adults with EC50 values of 36.4, 29.1, and 71.2 ppm, respectively. Dictamnine was shown to have feeding deterrent activity against adults and larvae of T. castaneum as well as S. zeamais adults with EC50 values of 57.6, 47.9, and 91.7 ppm, respectively.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/jf010838l
dc.sourceScopus
dc.subjectDictamnine
dc.subjectDictamnus dasycarpus
dc.subjectFeeding deterrents
dc.subjectFraxinellone
dc.subjectSitophilus zeamais
dc.subjectTribolium castaneum
dc.typeArticle
dc.contributor.departmentBIOLOGICAL SCIENCES
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/jf010838l
dc.description.sourcetitleJournal of Agricultural and Food Chemistry
dc.description.volume50
dc.description.issue6
dc.description.page1447-1450
dc.description.codenJAFCA
dc.identifier.isiut000174398800022
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