A new lignan glycoside from the rhizomes of Imperata cylindrica

Abstract

A new lignan glycoside, 6-acetyl-1-[1,3-(4,4′-dihydroxy-3,3′-dimethoxy-β-truxinyl)-β-d-fructofuranosyl]-α-d-glucopyranoside (1), named impecyloside, was isolated from the rhizomes of Imperata cylindrica. The structure of the compound was determined by spectroscopic data including FABMS, UV, IR, ¹H NMR and ¹³C NMR (DEPT) and 2D NMR (COSY, HSQC, HMBC).

Keywords:

• Imperata cylindrica
• Impecyloside
• Gramineae
• Lignan glycoside

Acknowledgements

This work was supported by the BioGreen 21 Program from Rural Development Administration, Republic of Korea, and by a grant from the Korea Science and Engineering Foundation through the Plant Metabolism Research Centre, Kyung Hee University.