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Meliternatin: a feeding deterrent and larvicidal polyoxygenated flavone from Melicope subunifoliolata
Shuit Hung Ho1, Jing Wang, K Y Sim
1Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore. dbshosh@nus.edu.sg
Phytochemistry
|February 20, 2003
Abstract:
We screened more than 60 Malaysian plants against two species of insects and found that Melicope subunifoliolata (Stapf) T.G. Hartley (Rutaceae) showed strong feeding deterrent activity against Sitophilus zeamais Motsch. (Curculionidae) and very good larvicidal activity against Aedes aegypti L. (Diptera). One anti-insect compound, meliternatin (3,5-dimethoxy-3',4',6,7-bismethylendioxyflavone) (6) and six other minor polyoxygenated flavones were isolated from M. subunifoliolata.