STUDY ON THE FLAVONOIDS FROM THE SEEDS OF KOELREUTERIA PANICULATA LAXM

AIM: To isolate and determine the structure of compounds isolated from the seeds of Chinese medicinal plant Koelreuteria paniculata Laxm. METHODS: The seeds were extracted with petroleum ether and 95% EtOH using a percolator, the 95% EtOH crude extracts were purified by using silica gel chromatography and Sephadex LH-20. IR, UV, MS, 1H and ¹³CNMR spectra were employed for structural identification. RESULTS: Two flavonoid glycosides named paniculatonoid A (I) and B (II) were isolated. CONCLUSION: I and II were new compounds.