New chlorinated diphenyl ethers and xanthones from a deep-sea-derived fungus Penicillium chrysogenum SCSIO 41001
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Updated: Jul 28, 2026

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
Published on: October 15, 2015
Jun-Feng Wang1, Li-Man Zhou2, Sheng-Tian Chen1
1CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
Abstract:
Seven new compounds, including four new chlorinated diphenyl ethers, namely chrysines A-D (1-4), one new dichlorinated xanthone, chrysoxanthone (5), dichloroorcinol (6), and one new benzeneacetic acid derivative, 3-isopentyl-4-hydroxy phenylacetic acid methyl ester (7), along with fourteen known compounds (8-21), were isolated from a deep-sea-derived fungus Penicillium chrysogenum SCSIO 41001. Their structures were determined by extensive spectroscopic methods and X-ray single-crystal diffraction analysis. All of the isolated compounds (1-21) were evaluated for their α-glucosidase inhibitory activity using PNPG method. Among them, nine compounds (2, 3, 5, 6, 8, 9, 13, 17, and 18) exhibited inhibitory activity against α-glucosidase with IC50 values of 0.35, 0.20, 0.04, 0.16, 0.15, 0.09, 0.14, 0.14, and 0.12mM, respectively (IC50 0.28mM for the positive control acarbose).
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