Related Experiment Video
Updated: Nov 24, 2025

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Bioactive dammarane triterpenoid saponins from the leaves of Cyclocarya paliurus
Xian-Li Zhou1, Shan-Bin Li1, Meng-Qi Yan2
1College of Biotechnology, Guilin Medical University, Guilin, 541199, People's Republic of China.
Abstract:
Thirteen undescribed dammarane triterpenoid saponins (cypaliurusides A-M), including eleven seco-dammarane type triterpenoids, were isolated from Cyclocarya paliurus. Each of these compounds has the unique feature of having a monosaccharide attached to C-11, rather than C-12, compared to the same type of saponins found in this plant. The structures of them were determined by comprehensive analysis of 1D, 2D NMR and HRESIMS data. Cypaliuruside J showed significant α-glucosidase inhibitory effect with IC50 value of 2.22 ± 0.13 μM. In addition, Cypaliurusides F and K exhibited modest cytotoxic activities against selected human cancer cell lines in vitro, with IC50 values ranging from 4.61 ± 0.13 to 15.23 ± 3.88 μM.
Related Concept Videos
Adaptations that Reduce Water Loss
Drugs that Stabilize Microtubules
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction

