期刊
FITOTERAPIA
卷 81, 期 4, 页码 248-252出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2009.09.009
关键词
Gynostemma yixingense; Dammarane-type glycoside; Long chain sesquiterpene glycoside
资金
- Chinese National High-Tech RD Program [2007AA02Z147, 2006AA020602]
- National Natural Science Foundat ion of China [90713046, 30772638]
- CAS Foundation [KSCX2YW-R-18]
A new dammarane-type glycoside and a new long chain sesquiterpene glycoside, along with nine known compounds 20(S)-ginsenoside Rh1 (3), 20(R)-ginsenoside Rh1 (4), ginsenoside F1 (5), amarantholidoside IV (6), ginsenoside Rc (7), 20(S)-ginsenoside Rg2 (8), 20(R)ginsenoside Rg2 (9), ginsenoside Rd (10) and gypenoside XLVI (11) were isolated from Gynostemma yixingense. The structures of the new compounds were determined on the basis of spectroscopic analysis, including 1D-, 2D-NMR and ESI-MS techniques as well as by comparison of the spectral data with those of related compounds as 2 alpha,3 beta,20(S)-trihydroxydammar-24-ene-3-O-[beta-D-glucopyranosyl((1 -> 2)-beta-D-glucopyranosyl((1 -> 2)-beta-D-glucopyransoyl]-20-O-[beta-D-xylopyranosyl ((1 -> 6)-beta-D-glucopyranosyl(1) (2E,6E)-10-fi-o-glucopyranosyl-1,10,11-trihydroxy-3,7,11trimethyldodeca-2,6-diene (C. 2009 Elsevier B.V. All rights reserved.
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