Structures of the novel diterpene glycosides from Stevia rebaudiana

被引：44

作者：

Chaturvedula, Venkata Sai Prakash ^{[1
]}

Prakash, Indra ^{[1
]}

机构：

[1] Coca Cola Co, Dept Organ Chem, Res & Technol, Atlanta, GA 30313 USA

来源：

CARBOHYDRATE RESEARCH | 2011年 / 346卷 / 08期

关键词：

Stevia rebaudiana; Compositae; Asteraceae; Diterpenoid glycosides; NMR; MS; C-13; NMR-SPECTROSCOPY; OLEANANE SAPONINS; GLUCOSIDES; CHEMISTRY; LEAVES;

D O I：

10.1016/j.carres.2011.03.025

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

From the commercial extract of the leaves of Stevia rebaudiana, two new diterpenoid glycosides were isolated besides the known steviol glycosides including stevioside, rebaudiosides A-F, rubusoside, and dulcoside A. The structures of the two new compounds were identified as 13-[(2-O-6-deoxy-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy] ent-kaur-16-en-19-oic acid beta-D-glucopyranosyl ester (1), and 13-[(2-O-6-deoxy-beta-D-glucopyranosyl-3-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy] ent-kaur-16-en-19-oic acid beta-O-glucopyranosyl ester (2), on the basis of extensive NMR and MS spectral data as well as chemical studies. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1057 / 1060

页数：4

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