Oleanolic acid saponins from root-bark of Aralia elata

Phytochemistry. 1994 May;36(1):147-52. doi: 10.1016/s0031-9422(00)97028-6.

Abstract

Five new oleanolic acid glycosides, tarasaponins III-VII, were isolated from the dried root-bark of Aralia elata together with stipuleanoside R2, in addition to eight saponins previously reported. They were characterized as oleanolic acid 3-O-[beta-D-xylopyranosyl(1-->2)] [beta-D-glucopyranosyl(1-->3)]-alpha-L-arabinopyranoside, beta-D-glucopyranosyl oleanolate 3-O-[beta-D-glucopyranosyl(1-->2)][alpha-L-arabinofuranosyl (1-->4)]-beta-D-glucuronopyranoside, beta-D-glucopyranosyl oleanolate 3-O-[beta-D-xylopyranosyl(1-->2)][beta-D-galactopyranosyl (1-->3)]-beta-D-glucuronopyranoside, beta-D-glucopyranosyl oleanolate 3-O-[beta-D-xylopyranosyl(1-->2)][beta-D-glucopyranosyl (1-->3)-alpha-L-arabinopyranoside, respectively.

MeSH terms

  • Carbohydrate Sequence
  • Magnetic Resonance Spectroscopy
  • Molecular Sequence Data
  • Oleanolic Acid / chemistry
  • Oleanolic Acid / isolation & purification*
  • Plants / chemistry*
  • Saponins / chemistry
  • Saponins / isolation & purification*

Substances

  • Saponins
  • Oleanolic Acid