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Abstract
A new cladosporol derivative xylophilum A (1), together with 10 known compounds (2–11), were isolated from the rice fermentation of the fungus Cladosporium xylophilum. Their structures were established by extensive spectroscopic methods and comparison of their NMR data with literatures. The antimicrobial activity of compound 1 against 11 kinds of pathogenic microbial was evaluated, but no significant activity was found (MIC >100 μg/ml).
Acknowledgements
The authors are grateful to Mrs. Yan Qu, Mrs. Zhen Yu, Mr. Xiao-Nian Li, and Mr. Bo Li (Analytical Testing Center, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China) for their measurement of the spectral data.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by the National Natural Science Foundation of China (Grant number 32060104).