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|Title:||Feeding deterrents from Dictamnus dasycarpus Turcz against two stored-product insects||Authors:||Liu, Z.L.
|Issue Date:||13-Mar-2002||Citation:||Liu, 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||Abstract:||The 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.||Source Title:||Journal of Agricultural and Food Chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/93809||ISSN:||00218561||DOI:||10.1021/jf010838l|
|Appears in Collections:||Staff Publications|
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