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Original Articles

Two new phenolic glycosides from the rhizome of Gastrodia elata

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Pages 457-462 | Received 10 Aug 2011, Accepted 21 Feb 2012, Published online: 20 Mar 2012
 

Abstract

Two new phenolic glycosides, named parishins F–G (1–2), together with known parishin E, were isolated from the rhizome of Gastrodia elata. The new structures were established as 1,3-di-[4-O-(β-d-glucopyranosyl) benzyl]-2-{4-O-[β-d-glucopyranosyl-(1 → 6)-β-d-glucopyranosyl] benzyl} citrate (1) and 2-[4-O-(β-d-glucopyranosyl)benzyl] citrate (2), by means of MS, 1D, and 2D NMR spectral analyses, as well as chemical methods.

Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (Nos 81001629 and 30973873). The authors are grateful to Associate Professor Xiu-Mei Liu, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, for the measurements of NMR spectra.

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