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One oleanane glycoside was successfully isolated from the seeds of Barringtonia asiatica. The structure of this compound was determined by one- and two- dimensional 1H- and 13C-NMR and also by direct comparison with standard compound. This compound showed the highest insecticidal activity against Crocidolomia pavonana. The result showed that B. asiatica seeds have the most active insecticidal compound with LC50 value of 290 ppm that is potential for natural insecticide application.doi:10.5281/zenodo.822525 fatcat:n4dqfz3gibapnl6igtsmgz74ke