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Bisabolane Sesquiterpenes with Anti-Inflammatory Activities from the Endophytic Fungus Penicillium citrinum DF47. | LitMetric

Bisabolane Sesquiterpenes with Anti-Inflammatory Activities from the Endophytic Fungus Penicillium citrinum DF47.

Chem Biodivers

Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, P. R. China.

Published: June 2022

AI Article Synopsis

Article Abstract

Seven new bisabolane-type sesquiterpenes (1-7), namely penicibisabolanes A-G, together with eight known analogs (8-15) were obtained from the AcOEt extract of the millet fermentation broth of the endophytic fungus Penicillium citrinum DF47, which was isolated from the fresh root of Codonopsis pilosula (Franch.) Nannf. The gross structures of new metabolites were determined on the basis of the spectroscopic data (HR-ESI-MS, 1D and 2D NMR spectra), while their absolute configurations were resolved by comparison of the experimental and calculated ECD spectra, in association with specific rotation data. Compound 1 is a rare seco-trinor-bisabolane sesquiterpene found in nature, while 3 is the first example of phenolic bisabolanes bearing a methoxy group at C-1. All the isolates were evaluated their inhibitory effects against NO production in lipopolysaccharides (LPS) stimulated RAW264.7 cells. Among them, compounds 7 and 13 showed moderately anti-inflammatory effects with the inhibitory rate more than 50 % at the concentration of 20 μM.

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Source
http://dx.doi.org/10.1002/cbdv.202200178DOI Listing

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