Limnantheoside C (20-Hydroxyecdysone 3-O-β-ᴅ-glucopyranosyl- [1→3]-β-ᴅ-xylopyranoside), a Phytoecdysteroid from Seeds of Limnanthes alba (Limnanthaceae)

Yanhui Meng; Pensri Whiting; Vladimir Šik; Huw H. Rees; Laurence Dinan

doi:10.1515/znc-2001-11-1214

Open Access Published by De Gruyter June 2, 2014

Limnantheoside C (20-Hydroxyecdysone 3-O-β-ᴅ-glucopyranosyl- [1→3]-β-ᴅ-xylopyranoside), a Phytoecdysteroid from Seeds of Limnanthes alba (Limnanthaceae)

Yanhui Meng , Pensri Whiting , Vladimir Šik , Huw H. Rees and Laurence Dinan

From the journal Zeitschrift für Naturforschung C

https://doi.org/10.1515/znc-2001-11-1214

Abstract

A new ecdysteroid glycoside, lim nantheoside C (20-hydroxyecdysone 3-O-β-ᴅ-glucopyra-nosyl-[→3]-β-ᴅ-xylopyranoside [1]), together with limnantheoside A (20-hydroxyecdysone 3-O-β-ᴅ-xylopyranoside [2]) and 20-hydroxyecdysone (3) have been isolated by bioassay/RIA-directed HPLC analyses of a methanol extract of the seedmeal of Limnanthes alba Hartw. ex Benth. The structure of the novel ecdysteroid glycoside (1) was determined unambiguously by UV, LSIMS and a combination of ID -and 2D-NMR experiments. These three compounds are isolated from Limnanthes alba for the first time.

Keywords: Ecdysteroid; Meadowfoam; Ponasterone A

Received: 2001-7-23

Revised: 2001-8-13

Published Online: 2014-6-2

Published in Print: 2001-12-1

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Limnantheoside C (20-Hydroxyecdysone 3-O-β-ᴅ-glucopyranosyl- [1→3]-β-ᴅ-xylopyranoside), a Phytoecdysteroid from Seeds of Limnanthes alba (Limnanthaceae)

Abstract

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