Abstract
Two new triterpene saponins, 3-O-beta-D-glucopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucuronopyranosyl-22-O-angeloyl-R1-barrigenol (1) and 3-O-beta-D-glucopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucuronopyranosyl-22-O-beta,beta-dimethylacryloyl-A1-barrigenol (2), were isolated from the roots of Eryngium campestre (Apiaceae). Their structures were established mainly by 2D NMR techniques and mass spectrometry.
MeSH terms
-
Apiaceae / chemistry*
-
Apiaceae / classification
-
Magnetic Resonance Spectroscopy / methods
-
Magnetic Resonance Spectroscopy / standards
-
Mass Spectrometry
-
Molecular Conformation
-
Plant Roots / chemistry
-
Reference Standards
-
Saponins / chemistry*
-
Saponins / isolation & purification
-
Triterpenes / chemistry*
-
Triterpenes / isolation & purification
Substances
-
3-O-beta-D-glucopyranosyl-(1-2)-(alpha-L-rhamnopyranosyl-(1-4))-beta-D-glucuronopyranosyl-22-O-angeloyl-R1-barrigenol
-
3-O-beta-D-glucopyranosyl-(1-2)-(alpha-L-rhamnopyranosyl-(1-4))-beta-D-glucuronopyranosyl-22-O-beta,beta-dimethylacryloyl-A1-barrigenol
-
Saponins
-
Triterpenes