首页|Metabolites isolated from Penicillium HDS-Z-1E,an endophytic fungal strain isolated from Taxus cuspidata and their activation effect of catalase
Metabolites isolated from Penicillium HDS-Z-1E,an endophytic fungal strain isolated from Taxus cuspidata and their activation effect of catalase
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Objective:To study the compounds isolated from Penicillium HDS-Z-1E,an endophytic fungal strain iso-lated from Taxus cuspidata and their activation effect of catalase(CAT).Methods:The chemical constituents were isolated from Penicillium HDS-Z-1E,by using silica gel,Sephadex LH-20 and HPLC.The structural elucidations of five metabolites were elucidated on the basis of spectroscopic including 1H-NMR,13C-NMR,HMBC and HSQC.Their activation sites of catalase have been investigated by molecular docking.Results:Five metabolites,compounds(1-5)were isolated from Penicillium HDS-Z-1E and identified as 4-hydroxy-4-methyltetrahydro-2H-pyran-2-one(1),4-hydroxymethyl-5,6-dihydro-pyran-2-one(2),5,6-dihydro-2-oxo-2H-pyran-4-carboxylic(3),N-acetyl-hydrazinobenzoic acid(4),and methyl 2-(2,5-dihydroxyphenyl)acetate(5).Conclusion:Compound 3 is a new compound.Compounds 3 and 4 may have potential activators of cata-lase,providing a theoretical basis for the development of CAT activators.
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