Diterpene Glycosides from Stevia rebaudiana
AbstractThree novel diterpene glycosides were isolated for the first time from the commercial extract of the leaves of Stevia rebaudiana, along with several known steviol glycosides, namely stevioside, rebaudiosides A-F, rubusoside and dulcoside A. The new compounds were identified as 13-[(2-O-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy] ent-kaur-15-en-19-oic acid (1), 13-[(2-O-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]-16β-hydroxy-ent-kauran-19-oic acid (2) and 13-methyl-16-oxo-17-nor-ent-kauran-19-oic acid-β-D-glucopyranosyl ester (3) on the basis of extensive 2D NMR and MS spectroscopic data as well as chemical studies.
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Prakash Chaturvedula, V.S.; Upreti, M.; Prakash, I. Diterpene Glycosides from Stevia rebaudiana. Molecules 2011, 16, 3552-3562.
Prakash Chaturvedula VS, Upreti M, Prakash I. Diterpene Glycosides from Stevia rebaudiana. Molecules. 2011; 16(5):3552-3562.Chicago/Turabian Style
Prakash Chaturvedula, Venkata Sai; Upreti, Mani; Prakash, Indra. 2011. "Diterpene Glycosides from Stevia rebaudiana." Molecules 16, no. 5: 3552-3562.