Triterpenoid saponins from Rubus ellipticus var. obcordatus

J Nat Prod. 2009 Oct;72(10):1755-60. doi: 10.1021/np900237a.

Abstract

Ten new triterpenoid saponins (1-10), named rubusides A-J, and 21 known saponins (11-31) were isolated from the roots of Rubus ellipticus var. obcordatus. The structures of 1-10 were established on the basis of spectroscopic analyses, mainly NMR and MS, and chemical degradations. The compounds demonstrated inhibitory activities against alpha-glucosidase with IC50 values in the range 0.65-3.09 mM.

MeSH terms

  • Drugs, Chinese Herbal / chemistry
  • Drugs, Chinese Herbal / isolation & purification*
  • Drugs, Chinese Herbal / pharmacology
  • Glycoside Hydrolase Inhibitors*
  • Inhibitory Concentration 50
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Plant Roots / chemistry
  • Rosaceae / chemistry*
  • Saponins / chemistry
  • Saponins / pharmacology
  • Triterpenes / chemistry
  • Triterpenes / isolation & purification*
  • Triterpenes / pharmacology

Substances

  • Drugs, Chinese Herbal
  • Glycoside Hydrolase Inhibitors
  • Saponins
  • Triterpenes