Structure elucidation and NMR spectral assignments of one new dammarane-type triterpenoid saponin from black ginseng

New dammarane-type triterpenoid saponin, named 22(R)-notoginsenoside Ab1 (1), together with thirteen known dammarane-type triterpenoid saponins (2-14) was isolated from the EtOH extract of black ginseng and their structures were elucidated on the basis of one- and two-dimensional NMR (including 1H-N...

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Hauptverfasser: Zhao, Xue-Ting, Dou, De-Qiang, Qu, Yang, Zhang, Guo-Gang
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Dou, De-Qiang
Qu, Yang
Zhang, Guo-Gang
description New dammarane-type triterpenoid saponin, named 22(R)-notoginsenoside Ab1 (1), together with thirteen known dammarane-type triterpenoid saponins (2-14) was isolated from the EtOH extract of black ginseng and their structures were elucidated on the basis of one- and two-dimensional NMR (including 1H-NMR, 13C-NMR, HSQC, HMBC, ROESY) and calculated ECD. Among them, compounds 1-2 and 6-8 were isolated for the first time from ginseng and black ginseng. Besides, the absolute structure of 22(R)- and 22(S)- notoginsenoside Ab1 were distinguished by ECD for the first time.
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identifier DOI: 10.6084/m9.figshare.24106758
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subjects Biochemistry
Biological Sciences not elsewhere classified
Biophysics
Chemical Sciences not elsewhere classified
Ecology
Environmental Sciences not elsewhere classified
FOS: Biological sciences
FOS: Sociology
Sociology
Space Science
title Structure elucidation and NMR spectral assignments of one new dammarane-type triterpenoid saponin from black ginseng
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