Five New Cucurbitane-Type Triterpenoid Glycosides from the Rhizomes of Hemsleya penxianensis with Cytotoxic Activities
作 者：De-Li Chen, Xu-Dong Xu, Rong-Tao Li, Bo-Wen Wang, Meng Yu, Yang-Yang Liu* and Guo-Xu Ma*
卷: 24 期: 页码: 2937
Five new cucurbitane-typetriterpenoid glycosides, named Xuedanoside F–J (1–5), were obtained from the rhizomes of Hemsleya penxianensis (Xue dan), which belongs to the family of Cucurbitaceae. These new compounds were elucidated byspectroscopic analysis, including 1D, 2D NMR, and HR-ESI-MS spectra. Additionally, all the isolates were evaluated for cytotoxicity against three human cancer cell lines (Hela, MCF-7, and A-549) with the IC50 ranging from 2.25 to 49.44 µM in vitro with treatment 48 h and showed low cytotoxicity in human normal liver L-02 cells (IC50 > 50 µM). Compound 5 showed the most signifificant cytotoxic activity with the IC50 value of 2.25, 4.72, and 5.33 µM in 48 h, respectively.