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Chromatographia

, Volume 71, Issue 3–4, pp 267–271 | Cite as

Isolation and Purification of Ginsenosides from Plant Extract of Panax quinquefolium L. by High Performance Centrifugal Partition Chromatography Coupled with ELSD

  • Jing Wang
  • He-Long Bai
  • Chun-Ming Liu
  • Li Li
Full Short Communication

Abstract

A high performance centrifugal partition chromatography (HPCPC) combined with evaporative light scattering detection (ELSD) was developed for the separation and purification of ginsenosides from Panax quinquefolium. Three compounds, ginsenosides Rc, Rb1, and Re were isolated and purified by HPCPC using an optimized two-phase solvent system composed of ethyl acetate–n-butanol–water (1:1:2, v/v/v). The purities of the three ginsenosides were 96.5, 97.6, and 98.5%, respectively as determined by liquid chromatography (LC–ELSD). The CPC fractions were analyzed by LC–ELSD and electrospray ion source mass spectroscopy (ESI-MSn) in negative ion mode. The identification of the ginsenosides Rc, Rb1, and Re in the extract of P. quinquefolium was based on matching their retention times, the detection of the molecular ions, and the fragment ions of the molecular ion obtained in the CID experiments with those of the authentic standards and data reported in the literature. The results demonstrate that HPCPC coupled with ELSD is a feasible and efficient technique for systematic isolation of non-chromophoric components from traditional medicinal herbs.

Keywords

Column liquid chromatography High performance centrifugal partition chromatography Evaporate light scattering detector Ginsenosides Panax quinquefolium L. 

Notes

Acknowledgment

This project was supported by the National Natural Science Foundation of China (No.30873364) and the National Natural Science Foundation of JiLin Province (No.20071102, 2008-170).

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Copyright information

© Vieweg+Teubner | GWV Fachverlage GmbH 2009

Authors and Affiliations

  1. 1.Department of ChemistryChangchun Normal UniversityChangchunChina

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