Two new oleanolic acid saponins were isolated from the leaves and roots of Beta vulgaris. Both contained the unusual feature of a 3,4 seco-glycopyranosyl moiety. Their structures were established by a combination of 2D NMR experiments and of Californium plasma desorption mass spectrometry.
Chenopodiaceae, Beta vulgaris, sugar beet, triterpene saponins
NCBI PubMed ID: 7766003Publication DOI: 10.1016/S0031-9422(00)89589-8Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Laboratoire de Pharmacognosie, associé au CNRS-URA 492, Faculté de Pharmacie, Reims, France, Department of Chemistry, University of Glasgow, Glasgow, Scotland, U.K., Laboratory of Biophysical Chemistry, NHLBI, NIH, Bethesda, MD, U.S.A.
Methods: 13C NMR, 1H NMR, FAB-MS, TLC, CC
Found