Journal of Separation Science 2006-07-01

Preparative isolation of hydrolysable tannins chebulagic acid and chebulinic acid from Terminalia chebula by high-speed counter-current chromatography.

Quanbin Han, Jingzheng Song, Chunfeng Qiao, Lina Wong, Hongxi Xu

Index: J. Sep. Sci. 29(11) , 1653-7, (2006)

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Abstract

As a chromatographic column, the high-speed counter-current chromatography system was equipped with a preparative HPLC series, enabling the successful isolation of hydrolysable tannins from the fruits of Terminalia chebula, a traditional Chinese medicine. The two-phase solvent system was composed of n-hexane-ethyl acetate-methanol-water (1:20:1:20 v/v). As a result, 33.2 mg chebulagic and 15.8 mg chebulinic acids were obtained in one step from 300 mg of crude extract. Their purities were determined by HPLC to be 95.3 and 96.1%, respectively. The chemical structures were identified by their MS and 1H NMR spectra.

Related Compounds

  • Chebulinic acid
  • Chebulagic acid

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