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. 2011 Feb;6(2):175-8.

Two minor diterpene glycosides from the leaves of Stevia rebaudiana

Venkata Sai Prakash Chaturvedula  1 , Joshua Rhea, Dennis Milanowski, Ulla Mocek, Indra Prakash
Affiliations
  • PMID: 21425668

Two minor diterpene glycosides from the leaves of Stevia rebaudiana

Venkata Sai Prakash Chaturvedula et al. Nat Prod Commun. 2011 Feb.

Abstract

Two new new diterpene glycosides, 13-[(2-O-(6-O-beta-D-glucopyranosyl)-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy] kaur-16-en-18-oic acid beta-D-glucopyranosyl ester (1) and 13-[(2-O-beta-D-glucopyranosyl-3-O-beta-D-fructofuranosyl-beta-D-glucopyranosyl)oxy] kaur-16-en-18-oic acid beta-D-glucopyranosyl ester (2) were isolated from the leaves of Stevia rebaudiana, along with the known steviol glycosides stevioside, rebaudiosides A-F and dulcoside A. The structures of the two new compounds were established on the basis of extensive 2D NMR (COSY, HSQC, and HMBC), MS and chemical studies.

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