\n\tSummary

\n\tIsolation and Determination of Structure of Rutin and Ombuosid from Gynostemma pentaphyllum (Thunb.) Makino 

\n\tRutin and ombuosid were isolated from ethanol extracts of Gynostemma pentaphyllum (Thunb.) Makino by various chromatography methods.

\n\tTheir chemical structures were elucidated by spectroscopies (ESI -MS, ¹H-NMR, ¹³C-NMR, DEPT, HMBC, HSQC). This is the first report of these compounds from Gynostemma pentaphyllum in Hoa Binh (Vietnam).

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