Application of 13C NMR Spectroscopy to Chemistry of Natural Glycosides : Rebaudioside-C, a New Sweet Diterpene Glycoside of Stevia rebaudiana (original) (raw)

Abstract

From leaves of Stevia rebaudiana BERTONI (Compositae), there were isolated three new sweet glycosides, named rebaudioside-C, -D, and -E. Application of 13C NMR spectroscopy as well as chemical evidences led to assign the structure V in Chart 1 to rebaudioside-C.