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. 2019 Aug;9(4):303-310.
doi: 10.1007/s13659-019-0214-1. Epub 2019 Jun 18.

Cytotoxic Cycloartane Triterpenoid Saponins from the Rhizomes of Cimicifuga foetida

Affiliations

Cytotoxic Cycloartane Triterpenoid Saponins from the Rhizomes of Cimicifuga foetida

Jing Lu et al. Nat Prod Bioprospect. 2019 Aug.

Abstract

To enrich the bioactive cycloartane triterpenoid glycoside named actein and find out more cytotoxic cycloartane triterpenes, a phytochemical study of Cimicifuga foetida was conducted. 113 g (0.17%) actein was purified by recrystallization while eight cycloartane-type triterpenes (1-8) were isolated from the mother liquid. The chemical structures of new compounds (1-4) were elucidated by 1D and 2D NMR and HRESIMS spectroscopic analyses. Moreover, new compounds showed moderate and broad-spectrum cytotoxicity against 5 human cancer cell lines with IC50 values ranging from 4.02 to 15.80 μM.

Keywords: Cimicifuga foetida; Cycloartane triterpenoid saponins; Cytotoxic activity.

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Conflict of interest statement

All authors declare no conflict of interest.

Figures

Fig. 1
Fig. 1
Structures of compounds 18
Fig. 2
Fig. 2
The structure of actein
Fig. 3
Fig. 3
Key correlations in 2D NMR spectra of compound 1
Fig. 4
Fig. 4
Key correlations in 2D NMR spectra of compound 3
Fig. 5
Fig. 5
Key correlations in 2D NMR spectra of compound 4

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