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Chun-shun Li

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Name:
Organization: Institute of Oceanology
Department: Key Laboratory of Experimental Marine Biology
Title:
Antioxidant metabolites from marine alga-derived fungus Aspergillus wentii EN-48
Co-reporter:Xin Li, Xiao-Ming Li, Gang-Ming Xu, Chun-Shun Li, Bin-Gui Wang
Phytochemistry Letters 2014 7() pp: 120-123
Publication Date(Web):
DOI:10.1016/j.phytol.2013.11.008
Antioxidant metabolites from marine alga-derived fungus Aspergillus wentii EN-48
Co-reporter:Xin Li, Xiao-Ming Li, Gang-Ming Xu, Chun-Shun Li, Bin-Gui Wang
Phytochemistry Letters (February 2014) Volume 7() pp:120-123
Publication Date(Web):1 February 2014
DOI:10.1016/j.phytol.2013.11.008
•Metabolites of the marine alga-derived endophytic fungus Aspergillus wentii EN-48 were investigated.•A new seco-anthraquinone and a new benzamide derivative were obtained.•Compounds 2–8 exhibited significant scavenging activity against DPPH.Eight secondary metabolites (1–8) including a new seco-anthraquinone (wentiquinone C, 1) and a new benzamide derivative (methyl 4-(3,4-dihydroxybenzamido)butanoate, 2), as well as three other derivatives (4, 7, and 8) that were isolated from natural source for the first time, were characterized from the EtOAc extracts of the marine alga-derived endophytic fungus Aspergillus wentii EN-48. The structures of the isolated compounds were elucidated on the basis of 1D and 2D NMR experiments. Each of the isolated compounds was evaluated for α,α-diphenyl-picrylhydrazyl (DPPH) radical scavenging activity, and some of them showed potent activities with IC50 values ranging from 5.2 to 99.4 μg/mL, compared to the positive control, butylated hydroxytoluene (BHT), with an IC50 of 36.9 μg/mL.Download full-size image
(+)-variecolorquinones A
(+)-variecolorquinones A
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(+)-variecolorquinones A
isotorachrysone-6-O-alpha-D-ribofuranoside
isotorachrysone-6-O-alpha-D-ribofuranoside
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isotorachrysone-6-O-alpha-D-ribofuranoside
(E,3R)-4-methoxy-6-hydroxy-3-(4-oxo-6-(1-propenyl)-4H-pyran-3-yl)isobenzofuran-1(3H)-one
(E,3R)-4-methoxy-6-hydroxy-3-(4-oxo-6-(1-propenyl)-4H-pyran-3-yl)isobenzofuran-1(3H)-one
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(E,3R)-4-methoxy-6-hydroxy-3-(4-oxo-6-(1-propenyl)-4H-pyran-3-yl)isobenzofuran-1(3H)-one
N/A
N/A
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N/A
1(3H)-Isobenzofuranone,4,6-dimethoxy-3-(6-methyl-4-oxo-4H-pyran-3-yl)-, (3R)-
1(3H)-Isobenzofuranone,4,6-dimethoxy-3-(6-methyl-4-oxo-4H-pyran-3-yl)-, (3R)-
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1(3H)-Isobenzofuranone,4,6-dimethoxy-3-(6-methyl-4-oxo-4H-pyran-3-yl)-, (3R)-
Benzoic acid, 2-(2,6-dihydroxybenzoyl)-3-hydroxy-5-methyl-
Benzoic acid, 2-(2,6-dihydroxybenzoyl)-3-hydroxy-5-methyl-
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Benzoic acid, 2-(2,6-dihydroxybenzoyl)-3-hydroxy-5-methyl-
dankasterone A
dankasterone A
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dankasterone A
Benzoic acid,3,5-dimethoxy-2-[[4-oxo-6-(1-propenyl)-4H-pyran-3-yl]carbonyl]-, methylester, (E)-
Benzoic acid,3,5-dimethoxy-2-[[4-oxo-6-(1-propenyl)-4H-pyran-3-yl]carbonyl]-, methylester, (E)-
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Benzoic acid,3,5-dimethoxy-2-[[4-oxo-6-(1-propenyl)-4H-pyran-3-yl]carbonyl]-, methylester, (E)-
(2'S)-7-hydroxy-2-(2'-hydroxypropyl)-5-methylchromone
(2'S)-7-hydroxy-2-(2'-hydroxypropyl)-5-methylchromone
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(2'S)-7-hydroxy-2-(2'-hydroxypropyl)-5-methylchromone
Isosulochrin
Isosulochrin
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Isosulochrin