Isolation and identification of three new compounds from Zingiber officinale (Ginger) peel

Three new compounds were isolated from the n-butanol fraction of Zingiber officinale (Ginger) peel by MCI Gel CHP-20, Sephadex LH-20, ODS and semipreparative high performance liquid chromatography. Their structures were identified as dendranthemoside C (1), zingpyranoside E (2), zingpyranoside F (3) by 1D-NMR, 2D-NMR, HR-ESI-MS, circular dichroism (CD) and ECD calculation techniques.