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Fifteen (1-15) compounds including ten phenolic compounds and five flavonoids were obtained from the fruits of Pandanus tectorius.All of the compounds were isolated and purified by application of various column chromatography especially by semi-preparative HPLC.Their chemical structures were determined under the aid of extensive spectral methods.In conclusion,all compounds were isolated from this medicinal plant for the first time.Me awhile,the biological activities of some compounds were discussed according to the results of related literature.