\n\tSummary

\n\tVinagynosteside A - A New Saponin Was Isolated from Gynostemma sp. Collected in Hoa Binh Province

\n\tVinagynosteside A was isolated from ethanol extracts of Gynostemma sp. by various chromatography methods. The chemical structure of Vinagynosteside A was elucidated by means of ESI – MS, ¹H –  NMR, ¹³C – NMR, DEPT, HMBC, HSQC, ¹H – ¹H – COSY spectra. This is the first report of Vinagynosteside A from Gynostemma sp.

\n\t 

(Nguồn tin: )