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A new acylated flavonol glycoside from the aerial parts of Cardamine tangutorum

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Pages 805-810 | Received 05 Dec 2011, Accepted 06 May 2012, Published online: 14 Jun 2012
 

Abstract

A new acylated flavonol glycoside, kaempferol-3-O-β-d-(2-feruloylglucopyranosyl) (1 → 6)-[β-d-glucopyranosyl(1 → 2)]-β-d-glucopyranoside, named tangutorumoside A (1), together with 12 known compounds, was isolated from 50% acetone extract of Cardamine tangutorum. Their structures were elucidated by NMR and MS experiments. In addition, compound 1 could promote the proliferation of splenic lymphocytes and thymic lymphocytes with ConA in vitro.

Acknowledgments

This work was financially supported by the Ministry of Education of China (2003078) and program for Science & Technology Innovation Talents in Universities of Henan Province (2010HASTIT014). We thank Prof. Cheng-Ming Dong (Henan University of Traditional Chinese Medicine, China) for the original plant collection and identification.

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