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Chemistry of Natural Compounds

, Volume 49, Issue 1, pp 173–174 | Cite as

Steroidal saponins from Polygonatum polyanthemum rhizomes

  • L. N. Gvazava
  • V. S. Kikoladze
Article

We reported previously [1] on the isolation from rhizomes of Polygonatum polyanthemum (Bieb.) A. Dietr. (Convallariaceae) of five sapogenins. Herein we communicate results of a structural study of six steroidal glycosides from this plant.

Air-dried raw material (400 g) was extracted exhaustively with hot MeOH to produce total saponins that were condensed to a resinous state and then suspended in H2O by vigorous stirring. The supernatant liquid was removed. The insoluble precipitate was separated by repeated chromatography over columns of silica gel into four pure compounds that were called 14 in order of increasing polarity. They were spirostanol compounds according to color reactions [2] and IR spectroscopic data.

The supernatant liquid was extracted with n-BuOH. The solvent was evaporated to dryness. The residue was dissolved in EtOH. Glycosides were precipitated by Me2CO to isolate another two glycosides 5 and 6 that were furostanol glycosides according to a color reaction [3] and...

Keywords

Glycoside Diosgenin Dioscin Furostanol Deoxyhexose 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.I. Kutateladze Institute of Pharmaceutical ChemistryTbilisiGeorgia
  2. 2.P. Melikishvili Institute of Physical and Organic ChemistryTbilisiGeorgia

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