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Molecules 2013, 18(11), 13510-13519; doi:10.3390/molecules181113510

Additional Minor Diterpene Glycosides from Stevia rebaudiana Bertoni

Organic Chemistry Department, The Coca-Cola Company, Global Research and Development, One Coca-Cola Plaza, Atlanta, GA 30313, USA
Current address: Natural Ingredient Development, Blue California, 30111 Tomas, Rancho Santa Margarita, CA 92688, USA
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Author to whom correspondence should be addressed.
Received: 24 September 2013 / Revised: 26 October 2013 / Accepted: 28 October 2013 / Published: 31 October 2013
(This article belongs to the Section Natural Products)
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Abstract

Two additional novel minor diterpene glycosides were isolated from the commercial extract of the leaves of Stevia rebaudiana Bertoni. The structures of the new compounds were identified as 13-{β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-oxy} ent-kaur-16-en-19-oic acid {β-D-xylopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-O-β-D-glucupyranosyl-ester} (1), and 13-{β-D-6-deoxy-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-oxy} ent-kaur-16-en-19-oic acid {β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-gluco-pyranosyl-ester} (2), on the basis of extensive 1D (1H- and 13C-) 2D NMR (COSY, HSQC and HMBC) and MS spectroscopic data as well as chemical studies.
Keywords: Stevia rebaudiana; Compositae; Asteraceae; diterpenoid glycosides; spectral data; chemical studies; structure characterization Stevia rebaudiana; Compositae; Asteraceae; diterpenoid glycosides; spectral data; chemical studies; structure characterization
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Prakash, I.; Chaturvedula, V.S.P. Additional Minor Diterpene Glycosides from Stevia rebaudiana Bertoni. Molecules 2013, 18, 13510-13519.

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